Casio created a multi-functional Edifice EFR-539BK watch inspired from motor sports. Evolved through the power of electronics with striking appearance by blending a dynamic form and intricately detailed watch face, this watch features a vast array of functions perceived through advanced technology that runs the uniquely designed disk dial & watch hands. EFR-539BK has luminous coating that provides illumination in the dark. It has tough and durable stainless steel wrist strap that gives your watch that classic appeal. Large faces and cases are complimented for powerful designs that really stand out exceptionally on your personality.
Key Features:

  • Current date is displayed
  • Stopwatch measure elapsed times with split-second accuracy function upto 30 minutes
  • The tough Mineral glass is scratch-resistant & protects the watch against unsightly damage
  • Screw locked back connection on the base protects the inner workings of the watch and also provides easy access while changing the battery
  • Watch has secure safety catch that helps to prevent the strap from opening by mistake
  • The battery supply sufficient energy for approx. two years in the watch
  • The watch can be flaunted in water sports upto 10 bar / 100 metres



Black ion plated band
Black ion plated case
Mineral Glass
Screw Lock Back
100-meter water resistance
Case / bezel material: Stainless steel
Stainless Steel Band
One-touch 3-fold Clasp
1/10-second stopwatch
Measuring capacity: 59'59.9''
Measuring modes: Elapsed time, split time, 1st-2nd place times
Date display
Regular timekeeping
Analog: 3 hands (hour, minute, second),
3 dials (stopwatch 1/10 seconds, stopwatch minutes, stopwatch seconds)
Accuracy: ±20 seconds per month
Approx. battery life: 2 years on SR920SW
Size of case:54.1×49.5×11.7mm
Total weight: 185 g

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