Size: Approx. W51 x H55 x D16.9mm (excluding crown, etc.) Arm circumference: Maximum approx. 20cm Weight: Approx. 72g Men's size Material: Stainless steel (back cover) x plastic resin (case) plastic resin (belt) Warranty period: 1 year manufacturer's warranty (excludes monitor battery, exterior deterioration during use, water intrusion, drop damage, etc.) Accessories: Exclusive BOX, warranty card and instruction manual Shock resistant (shock resistant structure), magnetic resistant watch (JIS type 1), accuracy: average monthly difference of ±15 seconds, world time: 48 cities around the world (29 time zones, with summer time setting function) + UTC (coordinated universal time) time display, Home time city switching function, stopwatch (1/1000 second, 100 hour meter, speed measurement function (MAX1998unit/h, 2unit/ h unit), lap/split measurement switching), timer (set unit: 1 minute, maximum set: 24 hours, measurement in 1 second increments, auto repeat), 5 time alarms (only one with snooze function), time signal , fully automatic calendar, no need to adjust the date at the end of each month, including February 29th in leap years. 12/24 hour display switch, LED light (auto light function, afterglow function, afterglow time switch (1.5 seconds/3 seconds) included)