For your peace of mind, after 48 hours of operation verification, we have cleaned it before listing it. This watch is vintage in the 1971. Please understand the vintage items before purchasing. The standard for displaying vintage items in our store is 1-2 minutes per day. Brand: SEIKO Model: SEIKO SKYLINER Reference number: 6100-8000 Case size: 37mm x 41.8mm x 9.5mm Dial color: silver Material Case: stainless. Watch Movement: Self winding. Cal.61A. Functions: Water-Proof. Gender: Men Arm around : maximum size about 20cm. Accessory: No box , no case. Condition Rank: AB good ( light signed of wear of scratches ) [Repair history] Unknown. [Serviced] No Serviced [Serial Number] 1****** [Keeping Time] -31 ~ -49 sec / day. Beat Err: 0.2 AMPLITUDE:200 *Reference value [Water-Resistance] not guaranteed. Conditions: [Glass] few scratches. [Case] little scratches. [Bezel] little scratches. [Belt/Bracelet] not original. unused. [Hand] good condition. [Dial] good condition. *Waterproofing has not been tested. The waterproof performance of the original specifications may not be maintained due to deterioration over time. Please understand. We have photographed the condition as clearly as possible, but if you have any questions, please confirm them before payment. Shipping: Delivery will be by DHL Or Japan Post. IMPORTANT: Customs and taxes: Your country of residence may apply extra customs duties and import taxes! You will be responsible to pay for extra charges to clear the item from CUSTOMS. Please check the laws of your country to determine if import duties or taxes are applicable. We cannot be held responsible for any expenses incurred for importing items into the purchaser's country of residence. If the winning bidder decides to cancel/ withdraw they will bear risk, cost of all shipping and return import duties of the seller. Shipping as an insured parcel with tracking number. Expedited shipping & insured worldwide.