Perpetual Calendar Chronograph 1518
Patek Philippe · Patek Philippe Grand Complications

Perpetual Calendar Chronograph 1518

Ref. 1518J

The 1518 was Patek's first Perpetual Calendar Chronograph when introduced in 1941. While commonplace -though still a mean feat today, at the time it was nothing short of spectacular. In a case of just 35mm, Patek managed to squeeze in a hand-wound chronograph movement with small seconds, displaying also the day, date, month and moonphase. An icon. It was replaced by the 2499. The example featured here has a dial with Arabic numerals. It was produced in 1950 and later part of a Christie's auction.

Release year
1941
Case diameter
35 mm
Case material
Yellow Gold
Crystal
Plexi
Dial
Silver
Movement
Patek Philippe caliber 13'''130 Q
Movement type
Handwound
Display
Analog
Power reserve
42 h
Frequency
18000 vph
Jewels
23
Movement diameter
30 mm
Complications
Chronograph, Column wheel, Date, Day, Hours, Minutes, Month, Perpetual Calendar, Small Seconds

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