This watch is listed as “Unused” in accordance with Chrono24’s classification requirements. It has never been worn or used and comes with its original box and warranty card. Please refer to the listing for warranty details. Caliber 8T63 Drive system Battery powered quartz Accuracy Average monthly difference ± 15 seconds Battery life about 3 years 24 hour hand with small seconds Stopwatch function (1/5 second measurement 60 minutes meter) With calendar (date) function Case, case material stainless steel Case size Thickness: 12.3mm Width: 41.0mm Length: 48.0mm Glass Material Hard Rex One-key three-fold method Reinforced waterproof (100m) suitable for everyday life Reluctance is with speedometer