B barrel tourbillon - Gem。Brand B-BARREL Model Tourbillon Gender Men\'s Material Stainless Steel / leather Dial color black Movement Hand Winding Functions Tourbillon Accessories backle Case size About 40mm (1.6inch) (not including the crown) Wrist size About 19.5cm (7.7 inch) Lugs width 20mm(0.8 inch) Keeping time +9 sec/day(measured value)　※Reference value State of the wound Glass a few scratch Case Light scratch Bezel Light scratch Belt/Bracelet No damage Hand Light damage, a few stain (In some places ) Dial a Little damage Buckle No damage CL Number 869804　 004 250219 GT Condition Rank Body rank B Belt/Bracelet rank N(not B-BARREL) 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.