Classic Chronograph Day-Date Pilot Chronograph with self-winding movement, day-date indication, solid stainless steel case, screw-in glass back, black dial with superluminova luminous hands and figures… Reference 6557TVDD-a1 Case Diameter 40 mm Dial color black Movement (Type) automatic Movement (Caliber) Valjoux 7750 Case Material stainless steel Case Surface polished Water Resistance 3 ATM Glass mineral crystal Case Back glass back Band leather strap Origin Swiss Made