Important Information
- Price — 150$ *average Amazon Price, we may earn commission from purchases
- Year of first Release — 2012
- Module Number — 5225
- Battery Type — SR726W x 2 (Edifice Batteries)
EFR-501 Model Range *may be updated
EFR-501D-7A EFR-501D-1A 
EFR-501SP-1A
The most distinctive specs of EFR-501 *Editorial
— 100-meter water resistance (good for swimming but not for deep diving)
— Stopwatch function – 30 minutes (Measures with an accuracy of seconds the meantime and the end time. The measuring capacity reaches up to 30 minutes)
— Tachymeter (can measure speed based on time traveled over a fixed distance.)
Official EFR-501 Specs / Features *for base version EFR-501SP-1AV
- 1/20-second stopwatch
- Measuring capacity: 4:59’59.95″
- Measuring mode: Elapsed time
- Accuracy: ±20 seconds per month
- Approx. battery life
- 2 years on SR726W x 2
- Date display
- Regular timekeeping
- Analog: 4 hands (Hour, minute, stopwatch seconds, alarm), 4 dials (timekeeping second / stopwatch 1/20 seconds, stopwatch hours, stopwatch minutes, alarm on/off)
- Size of case / total weight
- EFR-501SP…… 49.0 X 45.3 X 13.3 mm / 176 g
Recent News about EFR-501
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