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