Jaeger lecoultre watch grande reverso ultra thin duoface first created in 1994 the duoface concept reinvents the reading of a second time zone thanks to the magic of the reversible watch a single movement drives the two dials of the grande reverso ultra thin duoface watch echoing the aesthetic codes of the historic 1931 model this new reverso model complete with a new ultra thin case symbolises the perfect combination of elegance expertise and a rich historical legacy