Thank you for viewing. This is the CASIO G-SHOCK sports line "G-LIDE," model GLX-5600. It's a popular model for surfers and marine sports enthusiasts, equipped with tide graph and moon data functions. 【Thorough Maintenance and Product Condition】 This product has undergone the following maintenance to ensure it can be used for a long time: Battery Replacement: New battery replaced in December 2025. There are no functional issues with the digital display, backlight, button operation, alarm, etc. Waterproof and Dustproof Measures: During battery replacement, waterproof silicone grease was applied to the rubber gasket (O-ring) on the back cover to enhance sealing. Cleaning: The entire watch has been carefully cleaned and disinfected with alcohol. 【Appearance Condition (Please be sure to check)】 As a used vintage item, there is some wear and tear. Crystal (Glass surface): There are multiple fine scratches from use. Bezel/Belt: There are overall **scratches and wear (signs of use)** characteristic of resin parts. Please confirm the condition thoroughly in the photos and purchase with your understanding. Recommended for those who prioritize practicality. 【Details】 Brand: CASIO / Casio (G-SHOCK) Model Number: GLX-5600 Main Functions: 20-bar water resistance, tide graph, moon data, world time, EL backlight Accessories: None (Watch only) 【About Transactions】 Authenticity Guarantee: In the unlikely event that the item is found to be a fake or imitation, we will provide a full refund and accept returns. 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. #CASIO #GSHOCK #GLX5600 #GLIDE #TideGraph #Surfing #VintageWatch #BatteryReplaced #Maintained #PriceNegotiable #Buyee