SEIKO SilverWave Quartz Black Vintage Men's Wristwatch 【Operation】 The watch is currently running properly. The battery has been replaced with a new one. Crown operation and other basic functions have been checked and are working properly. 【Item Details】 Brand: SEIKO Model: SilverWave Reference: 6030-5280 Movement: Quartz (Cal. 6030) Case: Stainless steel Dial: Black Strap: Aftermarket leather strap (black) Accessories: None (watch only) 【Size】 Case diameter: 35 mm Wrist circumference: Approx. 14–18.5 cm Weight: 43.8 g Please allow for slight measurement variations. 【Condition】 As this is a vintage watch, the case and crystal show scratches, scuffs, and signs of use. In particular, there are multiple visible scratches on the crystal. The dial also shows some age-related wear. Please review the photos carefully for the overall condition.