Prospex Solar Analog-Digital Diver's Watch Commemorating the 40th anniversary of the 1982 H558-5000, the world's first analog-digital diver's watch with a chronograph and alarm Powered by light energy - no battery change required 5-month power reserve once fully charged Chronograph function Black uni-directional rotating elapsed timing bezel Black dial Diving log, depth meter and sudden descent alarm Water temperature measurement function Power reserve indicator Local time indication mode Alarm Digital time and date indicators Enlarged digital display for improved visibility LumiBrite hands and markers Screwdown crown, pushers and caseback Case diameter: 46.9mm Stainless steel case and bracelet Tri-fold push button release clasp with secure lock and extender Water-resistant to 200 meters (660 feet), Diver's Watch. Follows ISO standards and is suitable for scuba diving Caliber H855
