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Citizen CZ Smartwatch with YouQ wellness app featuring IBM Watson® AI and NASA research, black and white customizable display, Bluetooth, HR, Activity Tracker, 18-day battery life, iPhone® and Android™ Compatible

  • Based on 156 reviews
Condition: Used - Like New
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Availability: Only 3 left in stock, order soon!
Fulfilled by Amazon

Arrives Thursday, Sep 18
Order within 23 hours and 41 minutes
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Color: Black


Date First Available ‏ : ‎ September 21, 2023


Manufacturer ‏ : ‎ Citizen


Brand, Seller, or Collection Name: Citizen


Model number: JX2010-04E


Part Number: JX2010-04E


Item Shape: Round


Dial window material type: Mineral Glass


Display Type: Analog-Digital


Clasp: Buckle


Case material: Stainless Steel


Case diameter: 42.5 millimeters


Case Thickness: 15 millimeters


Band Material: Leather


Band size: Mens Standard


Band width: 22 millimeters


Band Color: Black


Dial color: Black


Bezel material: Stainless Steel


Bezel function: Stationary


Calendar: Day-Date-Month-Year


Special features: Sleep Monitoring, High Contrast Hands, Light Up, Timer


Item weight: 8 ounces


Movement: Smartwatch


Water resistant depth: 30 Meters


Product Warranty: For warranty information about this product, please click here


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If you place your order now, the estimated arrival date for this product is: Thursday, Sep 18

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

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Top Amazon Reviews


  • Eink and oled display
Color: Brown
Con, Eink display, unlike OLED, is slow. Less smart tech and less customization compared to touchscreen smartwatches with Google os, yes you can arrange sensor output as you like, but it will only display data numerically. Pro. Long lasting battery, 18 days total in one charge. The watch has the best dial finish, I feel that the finish is some what scratch resistant as well. The leather is really thick, and with quality finish as well. The sensors are inside a glass like cover, makes it very comfortable to wear. Altogether, this is a classic citizen watch, a quality watch with just enough smart technology to keep you updated and less distracted. ... show more
Reviewed in the United States on November 5, 2024 by Kashif Kashif

  • Looks alright but very useless
Color: Black
Looks pretty good, but very useless. You can only setup 4 complications and most are they useful or don't work at all. The interface is very glitchy and the android app wastes a lot of energy checking location all the time.
Reviewed in the United States on June 23, 2025 by Denis A Denis A

  • Amazing battery life and stylish looks
Color: Black
It does the basics of a smart watch: step counter, heart rate, oxygen saturation. Displays texts, etc. yes, it's a bit more cumbersome, but once you learn it, it's easy. It uses Google fit to integrate as well. I have been getting an average of 21 days on battery life, which is amazing in this price range. It looks like a watch!!! ... show more
Reviewed in the United States on January 31, 2025 by Savy Consumer

  • First 2 weeks of ownership
Color: Black
Pros: • Great Deal: Bought in “used - like new” condition for under $100—looked completely unworn. • Premium Look & Feel: Stylish design that blends traditional watch aesthetics with "smart enough" features. • Comfortable Strap: Soft leather band with a convenient quick-release mechanism for easy swapping. • Long Battery Life: After 12 days of use, still had 31% battery remaining—no daily charging needed. • Customizable Watch Faces: Some faces allow for info customization; also supports photo uploads. • Easy Visibility Option: Double-tap screen activates a front light for low-light conditions. • Accurate Tracking: Heart rate and step counting appear reliable. • Citizen Connect App: Works smoothly and displays most key health and activity data. Cons: • Hard-to-Read Watch Faces: Most faces have small text, which I find hard to read without glasses (“Digit 2” worked well for me). • Watch Face Sync Bug: “Digit 2” occasionally shows time that’s off by 1–2 minutes—fixable by resyncing, but still a flaw. • Confusing YouQ App: The second app, YouQ, feels redundant and shows incomplete data—ended up uninstalling it. • Sleep Tracking Inconsistencies: Logs incorrect bedtimes. • Outdated Sports Face: “Riiver_Basketball” face displays an old game score from 2024 (photo added) —seems abandoned. Bottom Line: For the price, this is a good hybrid smartwatch—well-built, stylish, and functional. While the software still needs work (especially the apps and a couple of watch faces), the core experience is solid. If Citizen continues to refine the software, this could be one of the best hybrid options out there. 4/16/25 UPDATE - Citizen fixed the bug on the Riiver_Basketball watch face. Hopefully the Digit 2 watch face gets a look over next. Also, having the option to switch that display from 24hr to 12hr would be a good quality of life improvement. ... show more
Reviewed in the United States on March 31, 2025 by Chris F Chris F

  • Great compromise between a classic watch and a smartwatch
Color: Gold
I am not a fan of smartwatches that need constant charging (looking at you Apple), and the hybrid design with a classic watch face adds a touch of class and nostalgia. The battery on this watch lasts me more two weeks, which fits my needs and lifestyle. The complications are a solid set of functionality and links with my phone and the modern world of overwhelming information. The fitness features are solid and fictional, but don't compare to top end offerings. Still for someone looking for a retro hybrid approach to keep one foot in the world of yesterday's timepiece watches and today's smartwatch technoworld, this watch is more than a fair blending of both worlds. ... show more
Reviewed in the United States on December 13, 2024 by Slide4180

  • Watches doesn't show correct time
Color: Black
The media could not be loaded. Bought a half of a year ago. Positive: - long live time Negative: - couple times in a day disconnecting from phone - activity doesn't sharing with apple health - periodically watches started to show wrong time: wrong hours and minutes. Even after synchronization. Without any notifications. After couple of hours everything ok... - poor customization - useless applications (ex. timer cannot be set to a half of a minute) - awful support - they doesn't think that wrong time on watches is a warranty case. ... show more
Reviewed in the United States on November 15, 2024 by Mikalai

  • An excellent watch - analog + smart watch for $135
Color: Black
Having used an Apple Watch for over 3 years, when it came time to replace it, I found this watch and it's perfect. Afforable, stylish and works for receiving alerts, BPM, O2 measurements and steps. Seems a little generous with number of steps compare to Apple watch, but still a good meaure of activity. Plus I have gone over 2 weeks between charges regularly. ... show more
Reviewed in the United States on January 7, 2025 by g1238827d

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