CASE AND SPHERE
Metal: steel
Crown type: screwed
Crown material: steel
Case Bottom: sapphire crystal
Water resistance: 50 meters
Case Dimensions: 42 mm
Dial: a black color obtained by a galvanic treatment – brushed-satin circular finish – Arabic numerals coated with SuperLuminova
STRAP AND BUCKLE
Strap: black rubber (tire profile)
Closure material: steel
Type of closure: buckle
OTHERS
Certifications: certified stopwatch (COSC)
Functions: stopwatch, hours and minutes, small secondary, date, chronograph secondary needle, 30-minute counter, 12-hour counter
Oscillating mass: heavy metal
Frequency: 4 Hz (28,800 alternations per hour)
Winding: automatic mechanical movement
Rubís: 37
MOVEMENT
With a 42-hour power reserve and a second stop function, this automatic mechanical chronograph movement, a COSC-certified stopwatch, sets a frequency of 28,800 oscillations per hour (4Hz). It has a central hour, a minute and a second window, and also displays the date with the precision and elegance that characterize Chopard.
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