Operational [Product Name] CASIO Baby-G Reef Casio Baby-G Reef WCCS World Coral Reef Conservation Society Official Limited Edition [Model Number] BG-370WC-3T W.C.C.S Model [Color] Hard Ras Green [Materials] Bezel = Resin, Belt = Nylon [Specifications] ・Crystal oscillation frequency: 32,768Hz ・Display method: FE type LCD digital display ・Basic functions: Hour, minute, second, year, month, day, day of the week, AM/PM (24-hour display), full auto calendar ・Alarm function: Time alarm (set unit = hour, minute, electronic sound = 20 seconds), hourly signal (electronic sound at the top of the hour) ・Timer function: Measurement unit = 1/10 second, set unit = second, set range = 60 minutes 00 seconds, electronic sound and light notification at 5 minutes/0 seconds remaining ・Stopwatch function: Measurement unit = 1/100 second Measurement range = 59 minutes 59 seconds 99 (60-minute timer) Measurement functions = normal measurement, cumulative measurement, split measurement, 1st and 2nd place simultaneous measurement, auto start function ・Normal temperature accuracy: within ±15 seconds per month ・Waterproof function: 20 ATM water resistance ・Other: Auto-return function, 12/24 hour display switching, EL (electroluminescence) backlight ・Battery: CR-1616 (*Please use the Casio-specified battery.) *Battery replaced in September 2025 ・Battery life: Approximately 2 years [Functions] Shock-resistant structure (shock resist)・Rust-resistant structure (rust resist) [Rank] ・Cracked logo rubber plate on the belt part