Thank you for viewing. This is a vintage SEIKO quartz wristwatch, model 2P21-5360. The small, classic rectangular case and simple dial give it an elegant impression. The silver and gold combination color makes your wrist look glamorous. 【Thorough Maintenance and Product Condition】 This product is an old item, but the following special maintenance has been performed to improve the reliability of operation and cleanliness. Battery Replacement: The battery was replaced with a new one in November 2025 and is currently working properly. Exterior Maintenance: The case has been carefully polished to restore its luster, and the entire watch has been disinfected with alcohol. The band has been replaced with a new leather strap. You can use it comfortably. Waterproofing: 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 waterproofing.) Condition: Although it is a used vintage item, there are no noticeable large scratches or dents, and the condition is relatively good. 【Important】The crown (time adjustment knob) shows discoloration and wear due to aging. Please check the condition carefully in the photos. 【Details】 Brand: SEIKO / Seiko Model Number/Movement: 2P21-5360 / Quartz (Battery-powered) Color: Combination color (silver/gold) / New belt Accessories: None (body only) 【About Transactions】 Authenticity Guarantee: If it is determined to be a fake 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 #Rectangular #2P21 #Serviced #NewBelt #PriceNegotiable #Buyee