PATEK REF 2531
Patek Philippe, Genève, movement No. 976852, case No.
691656, Ref. 2531. Made circa 1955.
Very fine and rare, rectangular "bombé", 18K yellow gold
wristwatch with an 18K yellow gold buckle.
Two-body, solid, polished and brushed, "bombé" lateral
sides, overhanging transversal bars, teardrop lugs, snap on
back, "bombé" crystal.
Matte silver with applied yellow gold baton indexes,
subsidiary seconds. Yellow gold "Bâton" hands.
Cal. 9'''- 90, rhodium-plated, "fausses côtes" decoration,
18 jewels, straight line lever escapement, Gyromax
balance adjusted for heat, cold, isochronism and 5 positions,
self-compensating free-sprung Breguet balance spring,
micrometer regulator.