An automatic wristwatch. It is currently running, and I have confirmed the time adjustment and date/day of the week switching. (※Accuracy over long periods and daily rate have not been measured) ・Automatic winding (mechanical) ・23 JEWELS ・Day-date display (Japanese/English) ・Stainless steel case ・SEIKO ACTUS original bracelet There are minor scratches, scuffs, and signs of wear on the case, back cover, and bracelet due to age. There are also fine scratches on the crystal, so please check the photos for the condition. Water resistance is not guaranteed. Please purchase only if you understand vintage and used items.