Thank you for viewing. This is a vintage SEIKO quartz wristwatch, model 5Y89-0B30. It's a multi-functional model with a sporty design and three sub-dials (chronograph/calendar). The cool silver color makes it suitable for everyday use and active scenes. 【Thorough Maintenance and Product Condition】 This item is old, but the following special maintenance has been performed to improve operational reliability and cleanliness. Battery Replacement: The battery was replaced with a new one in November 2025 and is currently working correctly. Exterior Maintenance: The case and bracelet have been carefully polished to restore their shine, and the entire watch has been disinfected with alcohol. Water Resistance: When the battery was replaced, **silicone grease was applied to the rubber gasket (O-ring) on the back cover** to reduce the risk of water and moisture intrusion. (※This does not guarantee complete water resistance.) Condition: Although it is a used vintage item, there are no noticeable large scratches or dents, and the condition is relatively good. Please check the condition thoroughly in the photos. 【Details】 Brand: SEIKO / Seiko Model Number/Movement: 5Y89-0B30 / Quartz (Battery-powered) Functions: Chronograph (Multi-hand) Color: Silver Accessories: None (Watch only) 【About Transactions】 Authenticity Guarantee: If it is determined to be a counterfeit or imitation product, 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. #SEIKO #Seiko #VintageWatch #Quartz #Chronograph #5Y89 #Serviced #PriceNegotiable #Buyee