Patek Philippe, “Top Hat", Ref. 1450J
Brand: Patek Philippe
Model: Vintage Top Hat
Reference Number: 1450J
Movement: Manual Winding
Condition: Very good, wear consistent with age and use
Time Period: 1950
Box & Papers: Vintage Box & Extract from Patek Philippe Archives
Caliber: PP 9'''90
Case Material: 18K yellow gold
Case Diameter: 37 mm x 25 mm
Thickness: 9.5 mm
Bezel Material: Fixed stepped 18K yellow gold
Glass: Domed Acrylic
Dial: Silver matte
Dial Numerals: Yellow gold applied baton-shaped and dot hour indices
Bracelet Material: Black Leather
Buckle Material: Original Patek Philippe plated yellow gold 1950s
Hours, minutes, subsidiary small seconds subsidiary dial at 6 o'clock
Rectangular shape case
18K yellow gold solid two-body case, hooded lugs, and curved stepped Art Deco bezel
Yellow gold applied stick-shaped hour/minute hands and small seconds hand
Solid 18K yellow gold snap-on case back with a monogram engraved by previous owner (HRM)
The 9-90 caliber manual winding movement was in production from 1934 to 1967. Its dimensions are 18 mm by 25.6 mm with a thickness of 3.65 mm. It is constructed 18 jewels, a bimetallic balance with over coiled spring-micrometer regulator, a straight-line lever escapement, a Gyromax balance, a self-compensating Bréguet balance spring, the seal of Genève quality mark, and a côtes de Genève decoration adorning the bridges and a perlage decoration covering some of the movement's internal plates.
This caliber experienced some updates with the incorporation of the Gyromax balance. Moreover, a Bréguet overcoil hairspring later replaced the initial flat hairspring.
This mechanism oscillates at the frequency of 19,800 vph (3 Hz)
This model came in three variants, yellow gold, rose gold, and platinum.
AKA "Top Hat"
The Patek Philippe Top Hat production debuted in 1940 and was then an iconic design that represented the fashion and style of the Art Deco era. It was discontinued in the 1960s.
Complete (vintage box, with an extract from the Patek Philippe Archives confirming the manufacture in 1950)
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