White Acetate Clubmaster Sport Chronograph Nato Watch

The Watch
This Briston model is a perfect fit for both men and women. The pure white dial will appeal to the most sporty and elegant women, while the black case and strap will draw in the more muscular, adventure-seeking men. Featuring five hands, this model is powered by a Japanese Miyota OS21 quartz movement. It displays hours, minutes, and seconds, plus a date window and a chronograph with a 60-minute counter and a 24-hour counter. The case is Briston's iconic cushion-shaped signature, adding a bold, masculine feel to your wrist. At 42 mm in diameter and 11.90 mm thick, it's built for dreamers and explorers alike. A slightly domed mineral crystal sits atop the case, which features a screwed-down crown. The brand's crest is engraved on the crown - a nod to the heritage of this British house.

The Dial
The dial on this model is round and white, with a contrasting sub-dial to highlight the counters and the minute track. The dial opening measures 32.5 mm. At its center are five hands: one black for the seconds hand and four white for the hours, minutes, and counters. The white hands are luminescent rhodium-coated, giving you a comfortable reading experience even in low-light conditions - maximum legibility guaranteed, day or night. Black and white baton indices keep the dial clean and easy to read. Two counters are featured: the one at 3 o'clock is the 24-hour counter, and the one at 9 o'clock is the 60-minute counter. A black tachymeter (an instrument that measures the speed of a moving object) sits on a ring inside the dial. At 6 o'clock, a date window completes the layout.

The Movement
This watch is powered by a Japanese Miyota OS21 quartz movement. This caliber displays hours, minutes, seconds, and the date. The 60-minute counter is positioned at 9 o'clock, the 24-hour counter at 3 o'clock, and the date window at 6 o'clock. A standard battery lasts approximately 3 years.

The Strap
This model features a black canvas NATO sport strap, 20 mm wide and 280 mm long. It's interchangeable and secured with a silver-tone pin buckle. Water-resistant to 100 m, this strap keeps up with your active lifestyle - perfect for swimming, though not suitable for scuba diving.

Water Resistance
With a water resistance of 10 atmospheres (100 meters), this is a genuinely water-resistant watch. It's suited for bathing, showering, and recreational swimming - but not for diving (professional or otherwise) or high-pressure water jets. It'll be right there with you for most of your water adventures.
One important note: the Ocarat watch team recommends keeping the crown and pushers dry during water activities to preserve the water resistance and protect the movement's integrity.

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