The Seiko SSC139P-9 Solar Alarm Gents Watch is made for the adventurer. The solar and chronograph piece features a sizeable dark stainless-steel casing and bracelet, as well as a bold black dial with three sub dials with silver details. Other features include a stopwatch, alarm, and dual time, which can be adjusted to a second time zone.- Caliber Number V172- Solar Powered- Precision 15 seconds per month- Operating for approx. 6 months (when fully charged)- Overcharge prevention function- Chronograph up to 60 minutes in 1/5 second increments- Alarm function (single-time alarm)- Date display- Stainless Steel (hard coating)- 11.5mm Case Thickness- 42.8mm Case Size- Hardlex- Three-fold clasp with secure lock ,push button release- 100 Meters Water Resistant - Screw case back