EN-39
Timer:
Measuring unit: 1 second
Input range: 1 minute to 24 hours (1-minute increments and 1-hour increments)
Stopwatch:
Measuring unit: 1/100 of a second
Measuring capacity: 23:59'59.99"
Measuring modes: Elapsed time, split time, two finishes
Other: 2 analog hands: hour, minute (hand moves every 20seconds)
Battery: One lithium battery (Type: CR2025)
Approximately 10 years on type CR2025 (assuming alarm operation 10 sec./day)
Specifications are subject to change without notice.