Stuhrling Original Men's 531G.33111 Delphi Canterbury Automatic Skeleton Watch The polished stainless steel and brushed bezel of this Stuhrling Original watch make it a classic piece while the skeleton dial with its exposed mechanisms adds a non-traditional twist. Automatic self-winding movement, no batteries needed Protective Krysterna crystal on front and back Water-resistant to 50 m (165 ft)