The Briston Clubmaster Sport Acetate Watch offers a sportier look with a 42 mm case and a tachymetric scale for the chronograph model, not to mention its interchangeable NATO strap. Featuring a white dial and 2 black counters, this watch is inspired by the lines of the racing cars of the 60s. MATERIAL CASE: Tortoise shell acetate CASE SIZE: 42 x 42 mm MOVEMENT: Quartz Miyota OS21 FUNCTION: Chronograph Date 2 counters DURATION TIME: 5 years DIAL OPENING: 32,5 mm DIAL COLOUR: Black THICKNESS: 11,90 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 (NATO) STRAP LENGTH: 280 mm STRAP WIDTH: 20 mm INTERNATIONAL WARRANTY: 2 years