EFV-640D-2BV

Basic information Case size (length × width × height) 47 × 44.3 × 10.8 mm Weight 136 g Case and frame material stainless steel Band stainless steel bracelet Triple fold clasp with one-touch Water resistance water resistance up to 100 meters Power source and battery life Approximate battery life: two years on SR920SW Watch features Stopwatch Stopwatch with 1/10 second accuracy Measurement capacity: 59'59.9" Measurement modes: elapsed time, split time, first and second lap times Accuracy Accuracy: ±20 seconds per month Other features Regular time recording: analog: 3 hands (hour hand, minute hand, second hand) 3 disks (stopwatch with 1/10 second accuracy, stopwatch minutes, stopwatch seconds) Date display