The Analog Athlete: A Deep Dive into the Citizen CZ Smart Hybrid Watch

Update on July 27, 2025, 9:11 a.m.

In the ever-evolving world of fitness technology, a fundamental conflict has emerged for the modern athlete. On one hand, there is the undeniable allure of data—the granular metrics of heart rate zones, sleep stages, step counts, and caloric burn that promise an optimized life. This world is dominated by full-screen smartwatches, powerful wrist-worn computers that serve as extensions of our digital lives. On the other hand, there is a deep, enduring appreciation for the art of horology: the timeless appeal of a classic analog watch, with its physical hands, tactile feel, and elegant design that speaks of heritage and craftsmanship. For many, the choice feels binary. Do you sacrifice style for substance, strapping on a functional but often generic-looking black square, or do you forego valuable health insights for the sake of classic aesthetics?

This is the dilemma the “hybrid smartwatch” category aims to solve. It promises the best of both worlds: a traditional watch’s soul with a smart device’s brain. These devices blend physical, mechanical hands with discreet digital displays and internal sensors, offering core fitness tracking and notifications without abandoning the classic form factor. Among the most compelling contenders in this space is the Citizen CZ Smart Hybrid. Backed by a watchmaking giant with over a century of innovation, it presents itself as the definitive solution for the “analog athlete.” User reviews praise it as a “great alternative to all the regular smart watches” and love that it doesn’t look like a “small tablet strapped to their arm”. But does this handsome timepiece truly deliver on the hybrid promise, or are the technological compromises too great for the discerning, fitness-focused consumer? This deep dive will explore the heritage, technology, and real-world performance of the Citizen CZ Smart Hybrid to answer that very question.
 Citizen JX1001-51E CZ Smart Gen 1 Hybrid smartwatch 44mm

Part I: A Heritage of Precision Meets the Digital Age

To understand the Citizen CZ Smart Hybrid, one must first understand the company that created it. Citizen is not a tech company that decided to make watches; it is a storied horological institution that has cautiously stepped into the world of tech. This distinction is fundamental to the product’s character, its strengths, and its most critical weaknesses.

The Citizen Legacy: From Pocket Watch to Global Powerhouse

Citizen’s journey began in 1918 with the founding of the Shokosha Watch Research Institute in Japan, born from a desire to create domestically produced timepieces that could rival the Swiss and American imports of the era. When the first pocket watch was completed in 1924, Tokyo’s mayor suggested the name “CITIZEN,” hoping it would become a watch cherished by all citizens. This name became the company’s identity in 1930, cementing a philosophy of creating accessible, high-quality timepieces.

Throughout the 20th century, Citizen established itself as a true manufacture—a company that produces its components in-house—and a relentless innovator. This history is marked by a series of industry firsts that demonstrate a deep engineering prowess:

  • 1959: The “Parawater,” Japan’s first fully waterproof wristwatch, a precursor to the modern dive watch.
  • 1970: The world’s first watch with a case made entirely of lightweight, durable titanium.
  • 1976: The “Crystron Solar Cell,” the world’s first analog quartz watch powered by light. This was the genesis of Citizen’s signature Eco-Drive technology, a revolutionary innovation that eliminated the need for battery changes and underscored the brand’s commitment to sustainability.

This legacy of creating durable, reliable, and technologically advanced hardware is encapsulated in the company’s philosophy: “Better Starts Now”. It’s a belief in continuous improvement and the pursuit of the next great innovation, a mindset that eventually led Citizen to the burgeoning smartwatch market.

 Citizen JX1001-51E CZ Smart Gen 1 Hybrid smartwatch 44mm

A Calculated Leap into Smartwatches: The Fossil Partnership

Citizen’s entry into the smartwatch era was not a rash decision. The company had experimented with Bluetooth-connected watches as early as 2006 and 2012, demonstrating an early interest in connectivity. However, creating a full-fledged smartwatch platform is a monumental task, requiring expertise not just in hardware but in software, user interface design, and ecosystem management—a different paradigm from traditional watchmaking.

Recognizing this, Citizen made a pivotal strategic move. In October 2018, it announced a “global strategic technology licensing partnership” with Fossil Group. At the time, Fossil was a leader in the fashion-forward hybrid smartwatch space. The terms of the multi-year agreement were clear: Citizen would license Fossil Group’s hybrid smartwatch technology, manufacture the movements incorporating this tech, and even sell these components and complete watches to the broader industry.

This was a classic “make versus buy” decision. Rather than spend years developing its own platform from scratch, Citizen chose to “buy” into the market by licensing a proven technology. It was a pragmatic approach that allowed the company to leverage its immense manufacturing scale and brand reputation while accelerating its entry into a competitive new category. This partnership is the technological genesis of the Citizen CZ Smart Hybrid; the watch’s digital heart was, by design, engineered by another company. This fact, seemingly a footnote in a press release from years ago, has become the single most important factor in determining the watch’s future.
 Citizen JX1001-51E CZ Smart Gen 1 Hybrid smartwatch 44mm

Part II: Under the Hood: The Science of a Smarter Analog

The Citizen CZ Smart Hybrid is a fascinating marriage of old-world mechanics and modern digital science. Its appeal lies not just in its looks, but in the deliberate technological choices made to achieve the “best of both worlds.” Understanding these technologies is key to appreciating both its capabilities and its inherent limitations.

The Soul of the Machine: Deconstructing the Hybrid

At first glance, the JX1001-51E model is a handsome, traditional sports watch. It features a substantial 44mm stainless steel case, a matching steel bracelet, and a classic dial with physical, luminous analog hands for telling time. The magic happens when the “smart” features are activated. Upon receiving a notification or when using a function like a timer, the physical hour and minute hands perform a clever dance, automatically moving to a set position (typically 9 and 3 o’clock) to provide an unobstructed view of the digital information displayed beneath them. This elegant integration of mechanical movement and digital display is the essence of the hybrid experience.

A Display Built for the Outdoors: The Power of Memory-in-Pixel (MIP)

Unlike the vibrant, power-hungry AMOLED screens found on Apple Watches or Samsung Galaxy Watches, the CZ Smart Hybrid employs a different kind of display technology. It is a low-power, monochrome screen often compared to E-Ink, but more accurately described as a Memory-in-Pixel (MIP) transflective LCD.

Think of it as a sophisticated version of the screen on a classic digital watch or a Kindle e-reader. A MIP display doesn’t generate its own light; instead, it reflects ambient light. This property makes it exceptionally easy to read in bright, direct sunlight—in fact, the brighter the sun, the clearer the display becomes. For an athlete running, cycling, or playing golf outdoors, this is a significant advantage over AMOLED screens, which can appear washed out in direct sun. In the dark, visibility is provided by a simple backlight, where four small LEDs illuminate the dial when you tap the screen.

This choice of display technology is a deliberate trade-off. The primary benefit is extreme power efficiency, which is the secret to the watch’s celebrated 15-day-plus battery life. The downside is that the display is monochrome, has a lower resolution where individual pixels can be visible, and possesses a slow refresh rate, making it unsuitable for smooth animations or rich graphics. This isn’t a flaw; it’s a design choice that prioritizes longevity and outdoor legibility—two crucial factors for a fitness-oriented watch—over the aesthetic polish of a full-color display.

Reading Your Body’s Rhythm: The Magic of Light-Based Heart Rate

On the back of the watch case, a small array of sensors sits against the skin, forming the optical heart rate monitor. This system works on a scientific principle called photoplethysmography (PPG). The technology is both simple and ingenious:

  1. The watch shines green LED light into the skin of the wrist.
  2. Blood is red, and red liquids absorb green light.
  3. With each heartbeat, the volume of blood flowing through the capillaries under the skin increases, and then decreases between beats.
  4. As the blood volume changes, the amount of green light that is absorbed also changes rhythmically.
  5. A light-sensitive sensor, called a photodiode, measures the amount of green light that is reflected back. An algorithm then analyzes this rhythmic pattern of light reflection and translates it into a heart rate, measured in beats per minute (BPM).

This technology allows the CZ Smart Hybrid to provide continuous heart rate monitoring throughout the day and during workouts. This data is the foundation for many of its most important fitness metrics, including estimating calories burned, tracking sleep stages, and gauging the intensity of a workout. Some CZ Smart models also use this optical technology to estimate blood oxygen saturation (SpO2), another valuable wellness metric.

The Brains of Motion: How Accelerometers Track Your Every Move

To track daily activity, the watch relies on a suite of internal micro-electromechanical systems (MEMS), primarily an accelerometer and a gyroscope. The accelerometer is a tiny sensor that detects movement, acceleration, and orientation in three-dimensional space. By analyzing this data, the watch can count steps with a reasonable degree of accuracy. The gyroscope measures rotation and angular velocity, which helps the watch identify more nuanced movements, such as the turn of a wrist to wake the screen or even specific types of exercise. Together, these sensors provide the raw data that feeds the watch’s algorithms for all-day activity and sleep tracking.

Part III: The On-Wrist Verdict: Living with the CZ Smart Hybrid

A watch’s technical specifications only tell half the story. The true test is how it performs in the real world—on the wrist, during a workout, and as a daily companion. The Citizen CZ Smart Hybrid elicits strong opinions, excelling in some areas while falling short in others.

First Impressions: Style, Weight, and Build

The first thing one notices about the JX1001-51E is its undeniable presence. It is, unequivocally, a traditional man’s sports watch. The 44mm stainless steel case and integrated bracelet give it a solid, premium feel that many users love, describing it as “beautiful” and a refreshing change from the plastic-and-glass aesthetic of many smartwatches. It successfully looks and feels like a “regular chronograph”.

However, this robust construction comes with a trade-off: weight. Multiple reviewers have noted that the watch is “a bit too heavy”. The 44mm case, combined with the solid steel bracelet, can feel large and cumbersome, especially for those with smaller wrists or those accustomed to lighter timepieces. While the build quality speaks to Citizen’s manufacturing heritage, its heft is a polarizing factor that potential buyers must consider.

The Marathoner: Battery Life and Daily Use

If there is one area where the CZ Smart Hybrid earns universal praise, it is battery life. The promise of 15 or more days on a single charge is not just marketing hype; it is a reality confirmed by numerous enthusiastic users. In a market where charging a smartwatch is a daily or nightly ritual, this longevity is a game-changing feature. As one user succinctly put it, they “don’t mind not having touch screen to have a battery that lasts!”.

This endurance transforms the daily user experience. It becomes a device you wear, not one you constantly manage. Notifications for calls, texts, and apps are delivered discreetly via vibration, and the watch face can be customized through the companion app to display the information you care about most, such as weather, steps, or heart rate. The charging process itself is also well-designed, featuring a clever magnetic dock with circular tracks that ensures a solid, foolproof connection every time—a small but appreciated detail.

The Training Partner: A Fitness-Focused Field Test

For a sports and fitness website audience, this is where the scrutiny intensifies. The watch capably tracks the basics: all-day steps, calories burned, continuous heart rate, and sleep stages. It allows users to manually start and log specific workouts like running or cycling, with summaries available in the app.

However, the reliability of this tracking is a point of contention. While some users find the fitness features generally accurate and sufficient for their needs , others report significant accuracy issues. One user noted their step count was off by 1,000 steps compared to their iPhone, while another professional review cited potential “workout tracking accuracy problems”. This suggests that while the watch is a capable

wellness tracker for monitoring general activity levels, it may lack the precision required for serious athletic training where every step and every beat matters.

This distinction becomes even clearer when examining its specialized features, like the advertised “Golf App” or “Golf Report”. While the inclusion of a golf feature is an appealing bonus for the casual player, it pales in comparison to dedicated golf watches. Expert reviews of smartwatch golf apps reveal that advanced features like automatic, hands-free shot detection and detailed on-screen course maps are what make a golf watch truly useful. The hybrid’s implementation, by contrast, is likely to be a more manual, clunky affair, requiring user interaction for tracking shots and yardages, which is far from the seamless experience offered by market leaders like Garmin. The CZ Smart Hybrid is a watch that can be worn while playing golf; it is not, however, a dedicated golf watch.

Part IV: The Digital Connection: Ecosystem, Software, and a Critical Question

A smartwatch is only as smart as its software. The physical hardware of the Citizen CZ Smart Hybrid is, by most accounts, well-made and stylish. However, its digital experience—the companion app and the underlying technology platform—is where significant cracks begin to appear, raising a critical question about its long-term viability.

The Citizen Connected App: Command Center or Clutter?

The Citizen Connected app is the mandatory hub for the watch. It is where users pair their device, customize watch faces, and view their collated health and fitness data. The user experience with this app is deeply divided. Some find it straightforward and easy to use. Yet, a significant volume of user reviews and professional critiques point to a deeply flawed experience. The most common and serious complaints include:

  • Persistent Connectivity Issues: Users frequently report that the watch constantly disconnects from their phone, rendering notifications and data syncing unreliable.
  • Poor Design Choices: A major frustration is the requirement for the app to be constantly running in the background on the user’s phone. If the app is closed, the connection is severed, and notifications cease. This is a fundamental design flaw not typically seen in mature smartwatch ecosystems.
  • Unintuitive User Interface: The app is described as “not very user friendly,” “clumsy,” and having instructions that are “hard to follow”. One particularly damning review compared the app’s functionality to that of a “$20 pseudo smartwatch from an overseas discount website,” expressing deep disappointment from a brand like Citizen.

This pattern of software struggles is not an isolated incident. The company’s second-generation smartwatches use an additional wellness app called CZ Smart YouQ, which is also plagued by user reports of syncing problems and connectivity failures, indicating a systemic challenge for Citizen in the software domain.

The Elephant in the Room: The Fossil Breakup

The shaky software experience is cause for concern on its own. But when combined with the watch’s technological origins, it becomes a critical, potentially fatal, flaw. As established, the core hybrid technology inside the CZ Smart Hybrid was licensed from Fossil Group.

In early 2024, Fossil Group officially announced its strategic decision to exit the smartwatch business entirely. The company stated it was “redirecting resources to support our core strength,” which is traditional watches, jewelry, and leather goods.

This development, while perhaps obscure to the average consumer, was immediately flagged as a major risk by savvy tech enthusiasts and watch forums. Reddit users correctly identified that the Citizen CZ Smart Hybrid is “effectively a rebranded fossil hybrid” and that its underlying platform is now an “abandoned” technology.

The implications for a consumer buying this watch today are profound and severe. The company responsible for developing and maintaining the core software and firmware of the device has ceased all investment in the platform. This means the likelihood of receiving future software updates to fix the already numerous bugs is virtually zero. There will be no new features, no improvements to the clunky user interface, and, perhaps most importantly, no security patches to address vulnerabilities that may arise over time. The watch’s “smart” functionality is frozen in its current, flawed state, with a high probability of degrading over time as phone operating systems evolve and break compatibility. The Citizen CZ Smart Hybrid is a product built on a technological dead end.

Part V: The Final Lap: Is the Citizen CZ Smart Hybrid for You?

Weighing the evidence—the storied heritage, the beautiful hardware, the phenomenal battery life, the questionable accuracy, the frustrating app, and the abandoned platform—we arrive at the final verdict. The Citizen CZ Smart Hybrid is a watch of stark contrasts, making it an excellent choice for a very specific user and a poor choice for many others, especially those in the fitness community.

Who is This Watch For?

The ideal owner of the Citizen CZ Smart Hybrid is the style-conscious traditionalist. This is someone who has always admired Citizen’s classic sports watches and wants a handsome, substantial timepiece that doesn’t need to be charged every night. They view the smart features—notifications, step counting, basic heart rate—as a convenient bonus, not the primary reason for purchase. They prioritize aesthetics and battery life far above all else and are willing to tolerate a clunky app and the risk of a digital dead end because their main desire is for a great-looking Citizen watch.

Conversely, this watch is not for the dedicated athlete or the data-driven fitness enthusiast. Anyone who requires precise and reliable tracking for structured training, a seamless and robust software ecosystem, and the assurance of long-term support for their technology should look elsewhere. The potential for tracking inaccuracies and the certainty of an unsupported software platform make it an unsuitable tool for performance monitoring.

Sizing Up the Competition: The Hybrid Smartwatch Showdown

To put the CZ Smart Hybrid in context, it’s essential to compare it against its key rivals in the hybrid space. Each competitor makes different trade-offs, catering to a slightly different user.

Feature Citizen CZ Smart Hybrid Withings ScanWatch 2 Garmin Vivomove Sport
Aesthetic/Style Bold, traditional men’s sports watch Sleek, minimalist, unisex classic watch Modern, lightweight, Swatch-like
Display Technology Monochrome MIP/E-Ink Small monochrome OLED Hidden monochrome OLED
Key Health Sensors Continuous HR, basic sleep/activity ECG, SpO2, Temp Sensor, advanced sleep HR, SpO2, Stress, Body Battery
Battery Life ~15 days Up to 30 days Up to 5 days
Companion App Mixed reviews, connectivity issues Well-regarded, but pushes subscription Excellent, feature-rich Garmin Connect
Unique Proposition Horological brand heritage, classic “man’s watch” feel, extreme battery life for its feature set. Medical-grade health monitoring in a classic watch form. Robust fitness ecosystem from a sports-tech leader in a stylish package.
Key Weakness Abandoned software platform, clunky app. Tiny display, pricey. Shorter battery life, connected GPS only.
 Citizen JX1001-51E CZ Smart Gen 1 Hybrid smartwatch 44mm
### Final Recommendation

The Citizen CZ Smart Hybrid is a deeply compelling and equally frustrating product. It succeeds brilliantly in its primary mission: to be a handsome, traditionally styled watch from a legendary brand that boasts a truly exceptional battery life. For the user whose checklist begins and ends with “looks like a real watch” and “doesn’t need daily charging,” it is a very tempting proposition.

However, for the target audience of a sports and fitness publication, it is a purchase that cannot be recommended. The combination of inconsistent tracking accuracy, a widely criticized companion app, and—most critically—a core technology platform that has been officially abandoned by its developer creates an unacceptable level of risk. A fitness device relies on a dependable connection between hardware and software to deliver on its promise. Here, that connection is already frayed and has no prospect of being repaired.

While the Citizen CZ Smart Hybrid looks the part of the “Analog Athlete,” its digital heart is on life support. In a market where competitors like Withings offer superior, clinically validated health features and Garmin provides a world-class, reliable fitness ecosystem, buying into a dead-end platform is a poor investment. Citizen’s brand philosophy is “Better Starts Now.” Tragically, for the software that powers this otherwise beautiful piece of hardware, better is not coming. The now has passed.