Thank you for viewing. This is a vintage Seiko (SEIKO) quartz watch from the "SQ" series, model 5H23-7060. It's a practical and classic model equipped with day-date function (date and day of the week). 【Maintenance】 Battery replaced: Just replaced in January 2026, so you can use it with peace of mind for a long time. Cleaning: Disinfected and cleaned with alcohol. Polishing: Simple polishing has been performed. 【Condition of the Item】 Operation: Currently running correctly. The calendar function also works without any problems. Crystal (glass): No noticeable scratches, in very clean condition. Exterior (case): Simple polishing has been done, and it maintains an overall clean condition. Dial: Discoloration (stains) due to aging can be seen near the 12 o'clock position. Please understand this as part of the vintage character, and consider it after checking the images. Belt: Seiko genuine belt is attached. Wrist size: Approximately 18cm (please allow for some error due to amateur measurement). 【Detailed Information】 Model number: 5H23-7060 Brand: Seiko (SEIKO) Functions: Quartz / Day-date (date and day of the week display) 【Reliable Transactions & Other】 Authenticity Guarantee: We guarantee that this is a genuine product. If it is found to be a counterfeit or fake, we will accept returns and refunds. Price Negotiation: We also accept price negotiations. Please feel free to comment. Welcome international buyers: Welcome international buyers through proxies such as Buyee! Thank you. #SEIKO #Seiko #SEIKOSQ #5H23 #vintagewatch #antiquewatch #batterychanged #menswatch #daydate #genuinebelt