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The Citizen BN0261-51E Promaster Marine is a rugged diving watch that looks just as good underwater as under a neat shirt. This Eco-Drive watch runs on light, has a power reserve of 180 days and is fully built according to the ISO standard for diving watches. With a case and strap made of silver stainless steel and a black dial, this watch is a stylish toolwatch that delivers top performance.
This Promaster Diver features a rotating bezel to keep track of your dive time safely, and a screwed crown and case bottom that optimise water resistance. The dial with lines and dots is designed for maximum readability, even underwater. The black background and luminous indexes make this watch functional in any environment.
Thanks to its robust yet refined design, the Citizen BN0261-51E will not only be worn while diving, but also effortlessly to work or around town. With its silver-coloured 40.55 mm stainless steel case and comfortable 148g strap, this watch combines functionality with urban flair.
This watch features a Citizen Miyota E168 movement, find the manual here.

The watch strap of this timepiece can be easily shortened with our free included watch strap shortener.
| Brand | Citizen |
|---|---|
| Article number | + Duikflesbox |
| Item ID | BN0261-51E |
| EAN Code | 4974374345844 |
| SKU | BN0261-51E |
| Men or women | Men's watch |
| Case material | Stainless steel |
| Case colour | Silver |
| Case diameter (without crown) | 40 mm |
| Case height | 12 mm |
| Weight | 148 g |
| Dial colour | Black |
| Date | Yes |
| Seconds hand | Yes |
| Chronograph | No |
| 24-hour display | No |
| Luminous | Yes |
| Glass | Mineral glass |
| Waterproof up to | 20ATM |
| Type of movement | Eco-Drive |
| Movement | Citizen Miyota E168 |
| Watch strap material | Stainless steel |
| Strap colour | Silver |
| Strap width | 22 mm |
| Closure | Safety lock |
| Gift box | Yes |
| Warranty | 3 years |
| Details | Eco-Drive, 180-day power reserve, Date display |
| Condition | New |