OMEGA/20mm/Manual Winding/Geneve/Cal. 625/Dark Gray Color/1970s/Ladies' Watch/Vintage/Two Hands/Working Condition Thank you very much for viewing this item! I am offering an antique watch from the Geneva series by OMEGA, a leading Swiss luxury watch brand. The chic dark gray dial and silver case create a cohesive color scheme, giving it a sophisticated and mature feel. If you're looking for one, this is a great opportunity! ●Product Data Movement: OMEGA Ref: 511.0451 Case Size: Approx. 20mm (excluding crown) Lug to Lug: Approx. 26mm Lug Width: Approx. 10mm Wrist Size: Free/Maximum approx. 165mm (when not stretched) due to stainless steel expandable band Movement: Manual winding Crown: OMEGA original Band: Stainless steel generic Country of Origin: Switzerland Timegrapher measurement: Approximately +30 seconds/day. (Reference value) We confirmed that it operated for 24 hours after fully winding the mainspring. Please note: This product is a vintage watch, and no maintenance history has been confirmed. We cannot guarantee accuracy due to deterioration over time. We recommend a full overhaul to ensure safe everyday use. Standard Shipping (Japan Post or DHL) International Buyers - Please Note: Import duties, taxes, and fees are not included in the item price or shipping costs. These fees are the buyer's responsibility. Please check with your country's customs office to determine what these additional costs will be prior to bidding or buying.