Casio Standard Digital Watch DW-291H-1AV Men's Black

---------------------------------------------------------------------- [Size] Case size (length x width x thickness): 50.5 x 50.4 x 13.5 (approx. mm), Strap width: approx. 21 (buckle side) - 28 (case side) mm, Lug width: approx. 18 mm, Band size: 145 - 215 mm, Weight: approx. 63 g [Material] Case: Resin, Band: Polyurethane, Crystal: Mineral glass [Water resistance] 20 ATM [Accessories] Japanese instruction manual (copy), foreign language instruction booklet, plain generic box (not a Casio box) [Major functions] ● Multi-time: Register four different cities and switch displays or swap them ● World time: Time display for 48 cities worldwide (31 time zones, daylight saving time setting function) + UTC (Coordinated Universal Time), home time city swap function ● Stopwatch (1/100 second, 24 hour counter, split) ● Timer (set unit: 1 second, maximum set: 24 hours, measured in 1/10 second units) ● 5 time alarms (switchable between one-time alarm/daily alarm) and hourly signal ● LED backlight (amber with afterglow) ● Full auto-calendar ● Operation sound ON/OFF switchable ● 12/24 hour display switchable ● Date and day display ● Accuracy: Monthly average difference ±30 seconds ● Battery life: 10 years (This is the figure when a new battery is installed. The battery pre-installed in the watch is a monitor battery used to check the functions and performance of the watch; therefore, battery life will be shorter.)