Jaeger lecoultre watch master ultra thin 41 q1338421 a new extremely refined model that combines reliability precision and quality with a timeless understated design perfectly completes the brands collection of ultra thin watches in the heart of its new case only 74 mm thick its jaeger lecoultre 896 mechanical automatic movement beats at a rate of 28 800 vibrations per hour here the decoration is provided by time itself soberly indicated by two dauphine hands moving over a sunray bru