The ref. 2457 was introduced in 1949 as a successor to the iconic ref. 96. It features a dial crafted by Stern Frères and a case made by Antoine Gerlach (key number 4). Unlike the ref. 96, the ref. 2457 has a beveled case back design with a flat back, reminiscent of the ref. 570 case. Around 50 examples in yellow gold have been identified to exist today.
REF. 3696J
PATEK PHILIPPE CALATRAVA REF. 3796J
Patek Philippe 18k yellow gold manual Ref. 3796J, circa 1988
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