CASIO Stop Watch HS-70W-8JH White Waterproof Sports Stopwatch Japan Free ship

Body size (H × W × D) mm: 83 × 64 × 24 mm Body weight: 82 g Power used: CR 2032 Battery life: about 5 years Waterproof function: 5 ATM water resistant Other functions: 1 / 1,000 seconds measurement, 10 hour total (normal measurement, lap split measurement, 1 to 100 simultaneous measurement), wrap split time up to 100 × 2 memories, time · calendar display, full auto calendar, 12/24 hour display switching, operation sound ON / OFF switching function, time accuracy 99.9988% (normal temperature)