Replica Jaeger-LeCoultre Master Compressor Chronograph Mens Watch Q1758170

The Crown and Pushers 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.
Since 1833, when the inventive Charles Antoine LeCoultre established this venerable watchmaker, it has produced some of the most outstanding and innovative timepieces. It wasn't until 1931, however, that the Jaeger-LeCoultre brand rose to international fame. It was then that the Reverso - an ingenious reversible watch - was unveiled to the public.