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CHRONOGRAPH

EDFICE

SPECIFICATIONS
SPECIFICATIONS
SPECIFICATIONS
EF-521BK-1AV
EF-521BK-1AVDF
Ion plated case
Ion plated band

EF-527BK-1AV
EF-527BK-1AVDF
Ion plated case
Ion plated band

EF-531BK-1AV
EF-531BK-1AVDF
Ion plated case
Ion plated band


100m

Red Bull racing
CASIO is a Team Partner of Red Bull Racing.
EDIFICE logo on the crown, back, and buckle. Package


SPECIFICATIONS
EF-521BK
1-second stopwatch
Measuring capacity: 29'59
Measuring mode: Elapsed time
Date display
Regular timekeeping
Analog: 3 hands  (hour, minute, stopwatch second)
3 dials  (second, stopwatch minute, day)
Accuracy: ±20 seconds per month
Approx. battery life: 2 years on SR626SW
Size of case/total weight
48.0 X 43.3 X 12.4 mm / 170 g

EF-527BK
1/20-second stopwatch
Measuring capacity: 11:59'59.95''
Measuring mode: Elapsed time
Date display
Regular timekeeping
Analog: 3 hands  (hour, minute, stopwatch seconds)
3 dials  (timekeeping second / stopwatch 1/20 second, stopwatch hours and minutes)
Accuracy: ±20 seconds per month
Approx. battery life: 2 years on SR927W
Size of case / total weight
51.0 X 45.5 X 11.4 mm / 157 g

EF-531BK
1-second stopwatch
Measuring capacity: 11:59'59
Measuring mode: Elapsed time
Date display
Regular timekeeping
Analog: 3 hands  (hour, minute, stopwatch seconds)
3 dials  (timekeeping second, stopwatch hours, minutes)
Accuracy: ±20 seconds per month
Approx. battery life: 2 years on SR927W
Size of case/total weight
52.8 X 42.8 X 11.4 mm / 187 g