IWC Pilot Automatic Chronograph Black Dial Men。Brand IWC SCHAFFHAUSEN Model Pilot watch Gender Men\'s Material Stainless Steel / Stainless Steel Dial color black Movement Automatic Ref Number IW377710 Serial Number 5451*** Functions Day date、Chronograph、Small seconds Accessories Guarantee(card) Case size About 43mm (1.7inch) (not including the crown) Wrist size About 20cm (7.9 inch) Lugs width 21mm(0.8 inch) Keeping time ±0 sec/day(measured value)　※Reference value Guarantee information 2019/9/8 State of the wound Glass few scratch (coating ) Case Light scratch, small wound Bezel Light scratch, small wound(The entire ) Belt/Bracelet Light scratch Hand No damage Dial No damage Buckle Light scratch CL Number 960661　 478 260603 YY Condition Rank Body rank B Belt/Bracelet rank B Condition RANK Explanation N [Mint] Item has never been used. S [Beautiful] Item is like new withvery slight signs of use. A [Excellent] Item has clearly been used,but has no significant scratches or wear. AB [Great] Item has slight surface scratches or slight wear,but looks great. B [Good] Item shows scratches or wear that is visible when worn on wrist. BC [Fair] Item is not in perfect working order or slightly damaged. C [Poor] Item cannot be used as-is.Repair needed or used as parts.