1970 Vintage Grand Seiko Hi-Beat 5646-7000 Navy Dial Men's Automatic Overhauled Thank you for viewing. Dial: Redone Daily Rate: Gains 10 seconds every 24 hours. (Measured April 5, 2025) Due to the nature of antique watches, accuracy is not guaranteed. Please consider this as a guideline. Case Size: Width 35mm-36mm (including crown) x Length 40mm x Thickness 10mm Lug Width: 18mm: New navy leather belt There are fine scratches from polishing and storage. This is a used item, not new, so please understand before purchasing. ☆ Operation This watch is automatic, but also has a manual winding mechanism. Pull the crown out one step to change the day and date, Pull it out two steps and turn it again to adjust the time. This watch has a hacking function (seconds hand stop function). Please examine the images carefully and make your decision. Discounts are not available. Thank you.