Hamilton Jazzmaster Open Heart Automatic Black Dial Men's Watch #H32565135 Made in USA or Imported The design of the new Hamilton Jazzmaster Open Heart turns timekeeping into something of a tease A glance at the face of the watch reveals part of the Swiss automatic movement in action-but not all of it Some things can be left to the imagination-especially when they are clothed in sumptuous quality materials and fine design detail.40mm DiameterAutomatic MovementLug Width 20mmSapphire CrystalScratch ProofStainless SteelWater Resistance 5 bar (50m)/73 psi (164ft)Style #: H32565135