Omega Seamaster 300M 2531.80 Automatic - 365 Carat。Brand OMEGA Model Seamaster300 Gender Men\'s Material Stainless Steel / Stainless Steel Dial color Navy Movement Automatic Ref Number 2531.80 Serial Number 8103**** Functions Date Accessories Guarantee(card) 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 +6 sec/day(measured value)　※Reference value Guarantee information Blank State of the wound Glass No damage Case a few scratch, small wound Bezel a few scratch, small wound Belt/Bracelet Light scratch, small wound Hand a Little damage, Stains Dial No damage Buckle few scratch, small wound CL Number 865221　 307 250118 HY Condition Rank Body rank A 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.