Pre-owned but in great condition, some light marks in bracelet just because of regular use. PADI Special Edition Solar Diver Powered by light energy-no battery change required 10-month power reserve once fully charged Date calendar with magnified glass Screwdown crown and caseback One-way rotating elapsed bezel LumiBrite hands and markers Case diameter: 43.5mm Stainless steel case and bracelet Water Resistance: Diver's Watch to 200 meters (660 feet). Follows ISO standards and is suitable for scuba diving Caliber V157