Relic Men's Brennan Automatic Self-Winding Stainless Steel Skeleton Dial Watch, Color: Silver-Tone (Model: ZR12013) Case size: 42mm; Band size: 20mm; automatic movement with 3-hand analog display; self-winding: your movements act as a power source; mineral crystal face; imported Stainless steel case with black textured outer dial; skeleton dial reveals the inner workings of this automatic watch Stainless steel bracelet with deployment-clasp closure Water resistant to 165 feet (50 M): suitable for short periods of recreational swimming and showering, but not diving or snorkeling This product is authentic and sold directly from the brand manufacturer to Amazon