Vintage 1973 Seiko Advan 6106-7570 Automatic 25 Jewels ① ☆ The movement is working properly. ☆ Daily rate: Approximately ±20 seconds ☆ Due to this being an antique watch, accuracy is not guaranteed. Please consider this as a guideline. Please fully wind the mainspring before use. ☆ Equipped with a hacking function (seconds hand stop function). ☆ There are minor scratches and dirt on the crystal, case, and belt. ☆ Case size: 40mm (height) x 38mm (width) x 11mm (thickness) Lug width: 16mm (attachment width) / 20mm (convex-concave type) ☆ Wrist circumference: Maximum approximately 165mm ☆ Operating instructions Press the crown to change the date. Press firmly to change the day of the week. Pull the crown out one step to change the time. Overhaul has not been performed. Due to this being an antique item, accurate daily rate cannot be guaranteed. Please refrain from purchasing if you are seeking perfection or are overly sensitive. Please check the images carefully and make your judgment. Discounts are not available. Thank you.