The 1521CL.PS 500 Meter Swiss Automatic Dive Watch is sophisticated in construction and design. Its caseback is engraved with detail, and the VON screw-down crown pays homage to the watchmaker s creator. Its frame measures 42mm x 14mm for comfort and its bezel has 120 clicks and 60-minute markers. The SuperLuminova-treated luminescent hour markers and hands, plus a 3:00 date window, supply excellent visibility. Its Sellita SW 200 self-winding Swiss movement gives a 38-40 hour power reserve and the scratch-resistant sapphire crystal provides protection.