Casio Men's watch SPF60-1AVElectro-luminescent backlight Auto light switch, afterglow Rubber Strap. Stainless steel caseback. Water resistant to 100m. Altimeter Measuring range: -700 to 4,000 m (-2,300 to 13,120 ft.) without reference altitude Measuring unit: 5 m (20 ft.) Other: Reference altitude setting *Changeover between meters (m) and feet (ft.) Barometer Display range: 600 to 1,100 hPa/mb (17.70 to 32.45 inHg) Display unit: 1 hPa/mb (0.05 inHg) Barometric pressure history graph (Graph of 18 hours of pressure readings at 3-hour intervals, which plots rises or falls in pressure that are 3 hPa or greater) *Changeover between hPa and inHg Depth Gauge Measuring range: Depth: 0 to 30 m (0 to 98 ft.)*; Elapsed time: 2:59'59 Maximum; Water Temperature: -10 to 60C (14 to 140F) *Note that depths between 0 and 1 meter (0 to 4 feet) are registered as 0.0 m (0 ft.) Display unit; 0.1 m (1 ft.) Submerged Time: Measured in 1-second increments Memory Capacity: 1 log data record (total time submerged, maximum depth, water temperature at maximum depth) *Changeover between meters (m) and feet (ft.) Thermometer Display range: -10 to 60C (14 to 140?F) Display unit: 0.1?C (0.2?F) Changeover between Celsius (C) and Fahrenheit (F) 1/100-second stopwatch Measuring capacity: 23:59'59.99 Measuring modes: Elapsed time, split time, 1st-2nd place times Countdown timer Input range: 1 minute to 24 hours (settable in 1-minutes and 1-hour increments) Unit: 1/10 second Others: Auto repeat, progress beeper Daily alarms 5 independent daily alarms Hourly time signal Low battery warning Auto-calendar (to year 2039) 12/24-hour format Regular timekeeping Analog: 2 hands (Hour, minutes (hand moves every 20 seconds)) Digital: Hour, minutes, seconds, pm, month, date, day Accuracy: 15 seconds per month Approx. battery life: 2 years on CR1620 Size of case/total weight 56.6 X 49.1 X 17.8 mm / 61.7 g 1 year original manufacturer warranty.