Automatic | 40mm | H42535550 Tradition meets innovation in the Jazzmaster Automatic 40mm. Roman numerals on the dial add distinct style and our H-10 movement with its anti-magnetic NivachronTM balance spring guarantees precise accuracy. Anything is possible with this high quality timepiece offered with a variety of dial and strap combinations. H-10 A three-hand movement with or without a date function and boasting a superior power reserve of 80 hours, the H-10 appears with intricate contrasting snail and pearled patterns for the American Classic models it drives and streamlined surfaces for the pilots’ watches. Power reserve 80-hour power reserveWater Resistance Water Resistance 5 bar (50 m) / 73 psi (164 ft)BRACELET/STRAPFeaturesStrap reference H600.425.106Strap color BrownBuckle type Pin buckleBuckle width 18mm buckle widthTop Species Cow