Casio Edifice EF 539D-1A2V

Mineral Glass Tachymeter Screw Lock Back Partial ion plated 100-meter water resistance Case / bezel material: Stainless steel Double-lock, 1-press, 3-fold Clasp Stainless Steel Band Solid Band 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: 53.5 - 48.5 - 11.5 mm Total weight: 198 g