Seiko Dolce 7731-5120 Operation confirmed. Fully functional. New battery replaced, and a simple cleaning has been done. New strap replaced! Based on the serial number, it appears to be a 1988 model. Please check the condition in the images. Overall, it's in good condition with little wear and tear. Case size is approximately 29mm, lug width 16mm. Currently, this is the only one listed on the flea market site, so it's a rare item. If you're interested, don't miss out! If you like it, please give it a like! I'd also appreciate it if you would follow me! Regarding items with confirmed operation, I've checked the basic functions, but I haven't done a detailed inspection, so please understand. I want you to be satisfied as much as possible, so I've checked what I can, but please understand that it's sold as is. Returns are not accepted due to customer circumstances. If you have any concerns about the condition, please refrain from purchasing. *The display stand, etc., used in the photos are not included. Immediate purchase and silent transactions are also welcome, and I will give a "good" rating, so please feel at ease. Thank you for your understanding. Search words: Quartz, stylish, antique, vintage, North American style, gold watch, leather strap, rubber strap, contemporary art, vintage, retro, stainless steel, divers watch, study, exam, outdoor, camping, simple, chic, formal, entrance ceremony, graduation ceremony, dress, chronograph, men's, women's, wristwatch, Showa retro, Heisei retro, art, design, art, fashion, Taisho modern