PATEK PHILIPPE REF. 3520
FACTORY SERVICE SEALED YELLOW GOLD
Patek Philippe, Genève, movement No. 1176792, case No. 2741849,
Ref. 3520J. Made circa 1985.
Fine and elegant, thin, 18K yellow gold wristwatch with an 18K
yellow gold Patek Philippe buckle.
Two-body, solid, polished and brushed, stepped hobnail bezel,
screw-down case back, straight lugs, sapphire crystal.
White with painted radial Roman numerals. Black oxidized
gold baton hands.
Cal. 177, stamped with the Geneva Quality Mark, rhodium-
plated, fausses cotes decoration, 18 jewels, straight line lever
escapement, Gyromax balance adjusted to heat, cold, isochronism
and 5 positions, shock-absorber, self-compensating flat balance
spring.