Seiko Dolce 5931-5400 Gold Color Case Operation confirmed. Fully functional. New battery replaced, simple cleaning done. New belt replaced! Based on the serial number, it appears to be a 1981 model. Please check the condition in the images. Case size is approximately 31mm, lug width 18mm. Currently, this is the only one listed on the flea market site, so it's a rare item. Those who want it, please purchase it early. If you like it, please like it! I would be happy if you could follow me! Regarding items with confirmed operation, I have checked the basic functions, but I have not performed detailed checks, so please understand. I want to satisfy you as much as possible, so I check as much as I can, but it is sold as-is. Returns are not accepted due to customer circumstances. If you feel any anxiety about the condition, please refrain from purchasing. *The display stands, etc., used in the photos are not included. Immediate purchase and silent transactions are also given a "good rating," so please rest assured. Thank you for your understanding. Please purchase if you agree with the above. Search words Quartz, stylish, antique, vintage, North American style, gold watch, leather belt, rubber belt, 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