This BOSS Mens Admiral Watch combines a round shaped stainless steel case and a black silicone strap with a traditional buckle fastening. It has a black chronograph display dial with luminescent hands and hour markers and a date window between four and five o-clock, which is protected beneath mineral crystal glass. Power is generated by the quartz movement. Case: Stainless steal Strap: Black rubber Water resistance to 10 ATM Case diameter: 46mm