The Casio Edifice EFV640D2BVUEF is a stylish analog chronograph wristwatch with a blue dial and robust stainless‑steel case and bracelet. It features a 1/10‑second stopwatch, date display, and luminous hands for easy reading. With 100 m water resistance, mineral glass, and a long‑lasting battery (approx. 2 years), it’s ideal for everyday wear and casual occasions. This sporty yet refined timepiece blends function and classic design. Basic InformationCase size : 47 × 44.3 × 10.8 mmWeight : 136 gCase and bezel material : Stainless steelBand : Stainless Steel Band, One-touch 3-fold ClaspWater resistance : 100-meter water resistancePower supply and battery life : Approx. battery life: 2 years on SR920SWExteriorGlass : Mineral GlassCompatible band size : 150 to 205 mmWatch FeaturesStopwatch : 1/10-second stopwatchMeasuring capacity: 59'59.9''Measuring modes: Elapsed time, split time, 1st-2nd place timesAccuracy : ±20 seconds per monthOther featuresRegular timekeeping:Analog: 3 hands (hour, minute, second), 3 dials (stopwatch 1/10 seconds, stopwatch minutes, stopwatch seconds)Date display