Omega Speedmaster 3510.21 | Ref. 3510.21 Watches on Chrono24。Brand OMEGA Model Speedmaster Marui Limited Gender Men\'s Material Stainless Steel / Stainless Steel Dial color White / black Movement Automatic Ref Number 3510.21 Serial Number 55622*** Functions Chronograph、Small seconds Accessories No accessories Case size About 39mm (1.5inch) (not including the crown) Wrist size About 16.5cm (6.5 inch) Lugs width 18mm(0.7 inch) Keeping time -65 sec/day(measured value)　※Reference value State of the wound Glass a few scratch, deep scratch (at 5 o\'clock ) Case A few scratches, small dents, rust Bezel Light scratch, small wound(The entire ) Belt/Bracelet Light scratch, small wound(In some places ) Hand a few stain Dial No damage, Little damage, dust(In some places ) Buckle a few scratch, some light scratch, small wound CL Number 886819　 358 250911 HS 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.