"This model sports a high-tech look with a sleek asymmetrical case and coded buttons for the ultimate in form and function. Metric Version of model JV0030-01E 60-Day Power Reserve Charges in Sunlight or Indoors Depth Display to 100 meters in digital format Measures Depth and Time of Dive Current and Maximum Depth display Current and lowest water temperature display Surface interval measurement Auto-start dive mode Dive log memory for up to 20 Dives Electro-Luminescent Backlight - for low light visibility 3 alarms Calendar with day and date display Two time zones - can set each alarm for a different time zone 12/24 hour time World time in 42 cities plus UTC, 29 time zones is convenient in travel time Eco-Drive technology is powered by light with no batteries to change, ever. Standard quartz diving watches require periodic battery changes. With a diving watch, this will necessitate having the watch pressure-checked, resulting in extra service costs and delays while the watch is sent out. Charge level indicator Screw-Back Case and ScrewDown Crown Water Resistant to 200 Meters 47mm case width (approximately 1 7/8"")"