Briston Watch Clubmaster Classic Trendsetters It is this spirit, combined with its watchmaking DNA, that gives Briston watches its unique style. Working with innovative materials, such as cellulose acetate, and colours give Briston watches their distinctive look. Briston watches also offers the perfect balance between a contemporary timepiece and a chic accessory, casual but resolutely and thoroughly accessible. 2 Year Guarantee MATERIAL CASE black acetate. CASE SIZE 40 x 40 mm MOVEMENT Quartz Miyota OS21. FUNCTION Chronograph Date 2 counters DURATION TIME 5 years. DIAL OPENING 31 mm. DIAL COLOR Matt black THICKNESS11,70 mm. GLASS Domed mineral crystal – 2,3 mm thickness HANDS Rhodium-plated « baton » hands with white Superluminova® inserts. WATER RESISTANCE 100 meters /10 ATM STRAP Interchangeable nylon strap (NATO) STRAP LENGTH 280 mm. STRAP WIDTH 20 mm