Casio Tough Solar Quartz Watch Black Analog-Digital AQ-S810W-1A2V Men's

---------------------------------------------------------------------- [Size/Weight] Case size (length x width x thickness): 52.2 x 46.6 x 13.8 (approx. mm), Strap width: approx. 21 (buckle side) - 28 (case side) mm, Lug width: approx. 18 mm, Wrist circumference (maximum): 215 mm, Weight: approx. 39.5 g [Material] Case: Resin, Band: Polyurethane, Crystal: Resin glass [Water resistance] 10 ATM [Accessories] Japanese instruction manual (copy), foreign language instruction booklet, plain generic box (not a Casio box) [Major functions] ●World time: Time display for 48 cities worldwide (31 time zones, daylight saving time setting function) + UTC (Coordinated Universal Time), home city swap function ●Stopwatch (1/100 second, 60-minute counter, with split) ●Timer: Interval measurement timer with up to two time settings (set unit: 5 seconds, maximum set: 99 minutes 55 seconds, measures in 1-second increments, repeat function (settable 1 to 10 times)) ●5 time alarms and hourly signal ●LED light (with afterglow function, afterglow time switch (1.5 seconds/3 seconds)) ●Full auto-calendar ●Operation sound ON/OFF switch function ●Power saving function (display is turned off after a set period of time in the dark to save power) ●Indicator display ●12/24-hour display switch ●3 display switch patterns (month and date display, time display, day of the week display) ●Multilingual day of the week display (6 languages: English/Portuguese/Spanish/French/German/Italian) Operating time from full charge without solar power generation: Approx. 10 months when using all functions; Approx. 23 months when in power saving mode Average monthly rate: ±30 seconds