Hamilton Jazzmaster H32565735 Open Heart Automatic stainless steel with black leather strap. Movement: mechanical automatic Swiss Made caliber 2824-2 Satin-finished steel case with polished finish diameter mm. 40.00 thickness mm. 10.60. Knurled steel waterproof crown with Hamilton logo. Black dial with polished metal hour, minute and seconds hands. Polished metal indexes. The Open Heart dial gives a glimpse of part of the movement in action. Scratch-resistant sapphire crystal glass. Black-colored leather strap, 20.00 mm lugs with Hamilton logoed satin-finished steel buckle. Water resistance 5 ATM with sapphire crystal case back secured by 5 screws. New item with box and original Hamilton two-year warranty.