Hamilton JAZZMASTER PERFORMER AUTO CHRONO H36616640 38-42mm Nor do they need to

Nor do they need to with the Jazzmaster Seaview collection with its sports inspired case and rotating bezel

The convex sapphire crystal offers high-performance protection during underwater exploration and the black PVD treated 46mm stainless steel case is reminiscent of the bulk of a submarine

an ultra-modern tribute to the past

Water resistance :Water Resistance 10 bar (100 m) /145 psi (328 ft)

Hamilton JAZZMASTER PERFORMER AUTO CHRONO H36616640 38-42mm Nor do they need toReferenceH36616640 CaliberH 31 CollectionJazzmaster MovementAutomatic Watch FunctionChronograph, Date, Tachymeter Case size42mm Thickness (mm)15. 22 Dial colorBlue Case materialStainless steel CrystalSapphire Lug width22mm Power reserve60 hour Statusstatus_current_collection Water Resistance10 bar (100m) Anti ReflectionYes Open Case BackYes Screw Down CrownYes NivachronYes