CASIO Digital Wristwatch Vintage Series B640WC-5A Unisex Rose Gold Overseas Model

[Clock Functions] ● Stopwatch (1/100 second, 24-hour count, with split) ● Timer (set unit: 1 second, maximum set: 24 hours, measured in 1/10 second, time-up sound for 10 seconds) ● Time alarm and hourly chime ● LED light (with residual light function), light color: amber ● Full auto calendar ● 12/24 hour display switch ● Accuracy: average monthly difference ±30 seconds ● Battery life: approximately 3 years (this value is for when a battery is replaced. The battery initially set in the watch is a monitor battery for checking the watch's functions and performance, so the battery life will be shorter.) [Size] Case size (length × width × thickness): 38.9 × 35 × 9.4 (approximately mm), strap: width approximately 15 (buckle side) ~ 20 (case side) mm, lug width approximately 18 mm, band fitting size: 135–200 mm, weight: approximately 49 g [Material] Case: resin, band: stainless steel, glass: resin glass [Water Resistance] 5 ATM water resistance [Accessories] Japanese instruction manual (copy), foreign language instruction manual booklet, plain generic box (not a Casio box) [Band Size Adjustment Method] Free slide type (additional tools required)