Asymmetrical stainless steel case. Soft rubber diving strap. Digital display or current depth. Depth display to 300 feet. Measures depth and time of dive. Measures maximum depth and duration of dive. Dive log memory for up to 20 dives. Auto-start dive mode. Water temperature display and memory (current and lowest). Measures surface interval. Calendar with day and date. 3 alarms. Travel time (42 cities and UTC, 29 time zones). 12/24 hour time. 2 time zones. Electro-luminescent backlighting. Precise Eco-drive movement is powered by any light source. Battery charge level indicator. Scratch resistant mineral crystal. Case diameter 48mm. Case thickness 15mm. 180-day power reserve. Water resistant at 200 meters (660 feet).