Caliber No. V192 Drive System Solar Accuracy Average monthly difference ±15 seconds During driving Approximately 6 months of use after full charge Function Anti-overcharge function With 24-hour hand With small second hand Stopwatch function (1/5 second measurement, total 60 minutes) Power reserve display function With calendar (date) function Case band Case material Rust-proof Case size Thickness: 13.3mm Width: 39.0mm Length: 45.5mm Glass material Curved sapphire Glass coating Internal anti-reflective coating LumiBrite Available (needle/index) Middle stay One-button three-fold method Arm circumference (longest) 197.0mm Watch specifications Waterproof Daily life reinforced waterproof (100M) Anti-magnetic Available Weight 161.0g Other characteristics With tachymeter Screw back