Citizen Promaster Diver - Black - 41mm


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This guide is for owners of the Citizen Promaster Diver watch. It provides a comprehensive overview of the watch's features, how to use it, and maintenance tips. The Promaster Diver is known for its robust build and reliability for underwater activities. However, the automatic movement requires regular use or winding to keep it running accurately.
| Dial Size | 41mm |
|---|---|
| Colour | Black |
| Series | Promaster Diver |
| Model Part Number | NB6021-17E |
| Brand | Citizen |
The watch winds automatically with wrist movement. You can manually wind it by rotating the crown clockwise when it is in the resting position.
It is recommended to have the watch serviced every 3-5 years to maintain its performance and water resistance.
Yes, the watch is water-resistant up to 20 bar, making it suitable for swimming and diving.
The watch comes with a black rubber strap.
Wipe the watch with a soft, damp cloth. Avoid using harsh chemicals or abrasive cleaners.
The case is made of stainless steel.
Citizen provides a warranty against manufacturing defects. Contact your local Citizen service center for details.
Ensure the watch is fully wound by wearing it regularly or manually winding it. If the issue persists, have the watch serviced.
Ensure the date is set properly. If the issue persists, the date mechanism may need servicing.
Expose the watch to bright light to recharge the luminous material.