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EF539D EF-539D-7A Casio Edifice Tachymeter Dress Watch

Specifications:
New bezel design combines ion-plated stainless steel and aluminum panels.
Popular large case
Chronograph
Tachymeter
100-meter water resistance
Stainless steel case and band
Case / bezel material: Stainless steel
"Double-lock, 1-press, 3-fold Buckle"
Stainless Steel Band
Solid Band
100-meter water resistance
Mineral Glass
Tachymeter
Screw Lock Back
Partial ion plated
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, stopwatch minutes)
Accuracy: ±20 seconds per month
Approx. battery life: 2 years on SR927W
Size of case/total weight: 53.5 X 48.5 X 11.5 mm/198 g