Sinn 103 St Sa - Chronograph - Black Dial - Fine Link 。Brand Sinn Gender Men\'s Material Stainless Steel / Stainless Steel Dial color black Movement Automatic Ref Number 103.B.SA.AUTO Serial Number 103.26*** Functions Day date、Chronograph、Small seconds Accessories Tool Case size About 41mm (1.6inch) (not including the crown) Wrist size About 18.5cm (7.3 inch) Lugs width 20mm(0.8 inch) Keeping time -22 sec/day(measured value)　※Reference value State of the wound Glass Many scratch (coating ) Case some light scratch, small wound(The entire ) Bezel Many scratch, small wound(The entire ) Belt/Bracelet Light scratch, small wound(The entire ) Hand Little damage Dial Little damage, dust Buckle some light scratch, small wound(The entire ) CL Number 953617　 278 260731 AT Condition Rank Body rank B Belt/Bracelet rank AB 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.