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Generated illustration of the Patek Philippe Cronógrafo Calendario Perpetuo 1518: round case, 35 mm, unconfirmed dial, smooth bezel, leather strap.

Plate 337. Illustration generated from this record, not a photograph. No lettering or logos. Colours are approximate. Same scale on every plate.

a Bezel
smooth, yellow gold
b Dial
unconfirmed, with date
c Case
yellow gold, round
d Strap
leather

Patek Philippe · Chronograph

Cronógrafo Calendario Perpetuo

Ref. 1518

Machine translation pending human review. Figures and sources match the original.

The first series-produced wrist chronograph with perpetual calendar, made between 1941 and 1954. 281 pieces were made, only four known in steel.

Price unconfirmed

We only publish a price with a source and a date.

Why it matters

  • 281 examples
  • Valjoux base with Victorin Piguet module
  • Most in 35 mm yellow gold

Specifications

Line
Grand Complications
Year
1941
Status
Discontinued
Range
Haute horlogerie
Diameter
35 mm
Thickness
unconfirmed
Material
yellow gold
Shape
round
Dial
unconfirmed
Markers
unconfirmed
Date
Yes
Bezel
smooth, yellow gold
Strap
leather
Calibre
unconfirmed
Movement
Hand-wound
Power reserve
unconfirmed
Frequency
18,800 vph
Jewels
unconfirmed
Water resistance
unconfirmed
Complications
hours, minutes, chronograph, moon phase, perpetual calendar

Across the Archive

Diameter35 mmAbove 7% of 447 watches with this figure
Thicknessunconfirmed
Power reserveunconfirmed
Frequency18,800 vphAbove 4% of 274 watches with this figure
Water resistanceunconfirmed
Priceunconfirmed

Where to buy

A search for this reference at retailers. TicTemple does not sell watches or check stock. Links go live once we join each programme.

Sources

  1. monochrome-watches.com

Record confidence: medium. Based on a secondary source. Anything unverified is shown as “unconfirmed”, never estimated.

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