Jaeger LeCoultre Ref 178.24.70

The all new Master Compressor. Features: New Chronograph Movement. The stop-watch features a seconds hand, 30 minute sub-dial & hour sub-dial where the underlying disc rotates instead of a hand. Rugged 18kt Rose Gold Case with a dark Brown Dial. Water Resistance - using the revolutionary new patented design. Although the crown & pushers are not "screw down" they are equipped with an external butterfly collar that turns a 1/2 turn clock-wise & counter clock-wise (independently of the crown & pushers), each collar has red & white enamel indicating arrows. White arrow indicates the crown is secure/water resistant, Red Arrow indicates the crown is non-secure/non-water resistant. When the collar is in the secure position it compresses a gasket that ensures water resistance. The completely assembled watch undergoes a rigorous 1000 hours test before the watch ships from the factory! Other features: Luminous hands & hour markers, Date at 6. Power reserve of aApproximately 72 hours.