The Seiko Coutura Quartz Chronograph Stainless Steel Black Dial Men's Watch SSB438 boasts a Calibre Number V198 and features 11 dazzling diamonds. Its solar movement is powered by light energy, complemented by a cabochon pull-out crown. With a 44mm stainless steel case and bracelet, this timepiece offers 100 meters water resistance and scratch-resistant sapphire glass. Equipped with a three-fold clasp with push button release and screw case back, it includes an alarm function and perpetual calendar adjusting for short months and leap years until February 2100. The power reserve indicator operates for approximately 6 months when fully charged, with an overcharge prevention function. It also includes a stopwatch measuring 24 hours in 1/5th of a second increments with split time, along with a tachymeter. - Calibre Number – V198 - 11 Diamonds - Solar Movement (Powered by Light Energy) - Cabochon - Pull Out Crown - 44mm Case Size - Stainless Steel Case & Bracelet - 100 Meters Water Resistant - Sapphire Glass - Three-fold Clasp with Push Button Release - Screw Case Back - Alarm function (single-time function) - Perpetual Calendar - Calendar Automatically Adjusts for Short Months and Leap Years Until February 2100 - Power Reserve Indicator: Operating for approx. 6 months (when fully charged) - Overcharge Prevention Function - Stopwatch - Stopwatch Measures 24 hours in 1/5th of a second increments with Split Time - Tachymeter