Men's Skeleton Watch | Automatic 42 mm Rose Gold | Open-Heart Dial with Moon Phase | Leather StrapThe Men's Skeleton Watch from Smith Watches is a 42 mm automatic mechanical timepiece with an open heart dial that exposes the moving balance wheel, a moon phase complication at 6 o'clock, and a rose gold stainless steel case on a genuine leather strap. Self winding movement, 3 ATM water resistant, 2 year warranty. What is a skeleton watch? A skeleton watch is a mechanical watch with part of its dial cut away so the wearer can see the movement working