Citizen Tsuyosa Watch - Black - 40mm
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Product Information
Full details
The Citizen Tsuyosa Automatic is designed for watch enthusiasts who value a perfect balance between sophisticated aesthetics and mechanical reliability. Its primary benefit is the seamless integration of a high-quality automatic movement within a versatile, stylish 40mm stainless steel frame suitable for both professional and casual environments. While it offers impressive build quality, users should note that its 50-meter water resistance rating is intended for surface swimming and accidental exposure rather than intensive underwater activities like diving.
All features
| Colour | Silver |
|---|---|
| Dial Size | 40mm |
| Series | Tsuyosa |
| Model Part Number | NJ0150-81E |
| Brand | Citizen |
Extended Product Information
FAQs
Does this watch require batteries?
No, the Citizen Tsuyosa is an automatic mechanical watch powered by the movement of your wrist.
Can I wear this watch while swimming?
It is water-resistant to 50 meters, which is suitable for shallow surface swimming but not for snorkeling or scuba diving.
How do I clean the stainless steel bracelet?
Use a soft, damp cloth with a mild soap solution, then dry thoroughly with a soft cloth.
What is the power reserve of this model?
When fully wound, the watch will typically run for approximately 40 hours without being worn.
Is the dial size suitable for smaller wrists?
The 40mm size is generally considered a modern standard that fits most wrists comfortably, but personal fit can vary.
What should I do if the watch gains or loses time?
Automatic watches may naturally fluctuate slightly; if the variation is significant, a professional watchmaker can perform a calibration.
Troubleshooting
The watch has stopped running
Gently shake the watch to wind the automatic rotor or manually wind the crown if applicable to build the power reserve.
The date is incorrect
Pull the crown to the first position and rotate it clockwise until the correct date is displayed.
Visible smudges on the glass
Use a clean, dry microfiber cloth to gently wipe the crystal face.
Pros and Cons
Pros
- Reliable automatic movement avoids battery dependency
- Versatile 40mm case size suits most wrist types
- Classic black dial provides a timeless aesthetic
- High-visibility luminous markers for night-time reading
Cons
- 50-meter water resistance is limited to shallow swimming
- Requires regular wear to maintain power reserve
- Fixed crown design limits advanced water protection
Setup, Compatibility & Care
To set the time and date, pull the crown out to the first click to adjust the date, and pull it to the second click to adjust the hour and minute hands. Push the crown back in completely to start the movement. For optimal care, wipe the case and bracelet with a soft, dry microfiber cloth to remove oils and sweat. While the watch is water-resistant up to 50 meters, avoid wearing it in a hot shower or sauna, as extreme temperature changes can affect the integrity of the gaskets. If the watch has not been worn for several days, gently rotate the watch to initiate the winding process before setting the time.