Casio 550d

Basic Info: Case: Stainless Steel Accuracy per month: ±20 sec Battery Type: SR927W Battery Life: 2 YRS Specification: 1/20-second stopwatch Measuring capacity: Measuring mode: Elapsed time Accuracy: ±20 seconds per month Approx. battery life: 2 years on SR927W Date display Regular timekeeping Analog: 3 hands (Hour, minute, stopwatch second), 3 dials (second, stopwatch minute, day) Size of case / total weight: 50.8 X 45.1 X 12.1 mm Total weight: 181 g FUNCTION AND FEATURE: Stopwatch: Accurate measurement of elapsed time with the touch of a button. The time figure indicates the maximum time measurement. Water Resistant: The "BAR" value indicates the number of atmospheres to which water resistance is ensured. 10 BAR means water resistance to 10 atmospheres. Watches marked "100m" have the same water resistance as 10 BAR watches. Mineral Glass: Hard glass resists scratching. Screw Lock Crown: The crown screws into the case to ensure water resistance. Screw Lock Back Solid Band Double-lock, 1-press, 3-fold buckle

1/20-second chronograph Tachymeter A rotary dist at 3 o'clock to indicates the 24-hour Fast-moving retrograde dial at 6 o'clock 100-meter water resistance Stainless steel case and band Face design in the image of the engine cover 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 Crown Screw Lock Back Partial ion plated Retrograde dial 1/20-second stopwatch Measuring capacity: 59'59.95'' Measuring mode: Elapsed time Date display Regular timekeeping Analog: 3 hands (hour, minute, stopwatch seconds) 3 dials (timekeeping 24-hour, timekeeping second / stopwatch 1/20 second, stopwatch minutes) Accuracy: ±20 seconds per month Approx. battery life: 2 years on SR927W Size of case/total weight: 50.8 X 45.1 X 12.1 mm/181 g