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 ×…