Perfectly balancing tradition and innovation, the Jazzmaster Open Heart offers a glimpse of its precision Swiss automatic movement in action. Using quality materials and featuring a range of dial and strap combinations, it's a collection that shows Hamilton at its best. Specification Details - Reference: H32705141 - Collection: Jazzmaster - Movement: Automatic, Caliber H-10 - Functions: Three-hand with date (depending on model) - Case Size: 42mm - Thickness: 11.44mm - Dial Color: Blue - Case Material: Stainless Steel - Crystal: Sapphire with Anti-Reflection - Lug Width: 22mm - Power Reserve: 80 hours - Water Resistance: 5 bar (50m) - Case Back: Open - Strap Reference: H6054251011 - Strap Type: Stainless Steel - Buckle Type: Folding Clasp - Buckle Width: 20mm Movement Details The H-10 automatic movement delivers superior performance with an extended 80-hour power reserve. It features refined finishing with snail and pearled patterns for American Classic models and streamlined surfaces for pilot and field watches, ensuring both reliability and elegance. Item # H32705141 #TidewaterDiamond