Thank you for viewing. I will do my best to ensure a smooth transaction, so thank you in advance. I am listing a vintage SEIKO watch. ・Manufacturer: GRAND SEIKO ・Model: GRAND SEIKO WEEKDATER ・Year of Manufacture: 1972 ・Ref: 5646-7010 ・Cal: 5646A 25 jewels ・Movement: Automatic ・Case Material: Stainless Steel ・Case Size (approx.): 36.3mm (excluding the crown) ・Belt: New leather strap from another company ・Wrist Size: Up to 20.5cm ・Gender: Men's ■Condition It is an old watch, but it is working very well. It is running with a daily rate of less than 1 minute. (※Please check the profile for our standards regarding accuracy.) We have confirmed that it runs for more than 24 hours. Calendar quickset: OK Hack function (seconds hand stop function): OK The day of the week is displayed in Japanese/English. ■Peace of Mind Guarantee Comes with a 30-day warranty. We will repair any natural failures free of charge during the warranty period. Please check the "Maintenance Guide" included with the product for contact information. ■Shipping Free shipping. ■Other The watch stand in the photo is for photography purposes and is not included. Only the watch will be delivered. Management No. 2143