SJ Production Four-Needle .BR Bell & Ross BR 03-93 GMT OT5 .Movement: Imported automatic winding mechanical movement .Functions: Hour hand, minute hand, second hand, date, and 24-hour second time zone (GMT/World Time series) on the bezel .Case: 42mm diameter, satin-finished polished stainless steel case with a fixed bezel with scale .Dial: Black with metal applied numbers and hour markers, metal hollow Superluminova luminous material for hour and minute hands .Crystal: Sapphire crystal glass with anti-reflective coating .Water Resistance: 100 meters .Strap: Black calfskin leather with heat-embossed finish .Buckle: Pin buckle in satin-finished polished stainless steel .S1 Exquisite Recommended Men's Mechanical Watch