Blending sophistication with refined craftsmanship, this Hamilton Jazzmaster Open Heart Automatic Ladies Watch reveals the beautiful inner workings of the automatic movement. At A Glance  Presented on a stainless steel bracelet 36mm case size with 50m water resistance Blue sunray and skeleton dial displaying the inner workings of the watch Silver tone baton hour markers Scratch resistant sapphire crystal glass Powered by a Swiss automatic movement Power reserve of up to 80 hours