[Size/Weight] Case size (length x width x thickness): 44.4 x 43.2 x 10.8 (approx. mm), width: approx. 19 mm (buckle side) - 25 mm (case side), lug width: approx. 18 mm, weight: approx. 37 g [Material] Case: Resin, Band: Polyurethane, Crystal: Resin glass [Water resistance] 5 ATM [Accessories] Japanese instruction manual (copy), foreign language instruction booklet * Simple packaging without a box (gift box not included) [Major functions] ●Stopwatch (1/100 second, 60 minute counter, split) ●Time alarm and time signal ●Auto calendar ●12/24 hour display switching ●LED light ●Accuracy: average monthly difference ±30 seconds