Thank you for viewing. This is a rare vintage SEIKO quartz wristwatch, model 5H23-5110. It's a model with a classic and sophisticated design. I am selling it to organize my collection. 【Thorough Maintenance and Product Condition】 This product has undergone the following special maintenance to ensure it can be used with peace of mind for a long time. Battery Replacement: New battery replaced in December 2025. It is currently running accurately. Exterior Maintenance: The case and bracelet have been carefully **polished**. The entire watch has been cleaned and disinfected with alcohol, so you can use it cleanly. Waterproofing: When the battery was replaced, waterproof silicone grease was applied to the rubber gasket on the back cover to improve the seal. Regarding Condition (Please be sure to check): There is a small scratch on the crystal (glass surface) near the 11 o'clock position, which is only visible depending on the light. Other than that, the case itself has no noticeable scratches and is in very clean condition for a vintage item. About the Belt: It is equipped with a genuine SEIKO metal bracelet. 【Details】 Brand: SEIKO / Seiko Model Number: 5H23-5110 Movement: Quartz Color: Silver Wrist Size: Approximately 15.5cm (current size) Accessories: None (watch only) 【About Transactions】 Authenticity Guarantee: If it is determined to be a fake or imitation, we will accept returns and provide a full refund. Please rest assured. Price Negotiation: Price negotiations are also possible. Please feel free to let us know your desired price in the comments section. 【For International Buyers】 This product can be purchased from overseas by using purchasing agent services such as Buyee, ZenMarket, and From Japan. Thank you for your consideration. 【Suggested Hashtags】 #SEIKO #Seiko #5H23 #VintageWatch #MensWatches #WomensWatches #Serviced #BatteryReplaced #GenuineBelt #PriceNegotiable #Buyee