Under the magnifying glass
This heading presents one brand or model in more detail.

At present
Patek Philippe Star Caliber 2000
Others "Under the magnifying glass"

Already available:
Star Caliber 2000 of Patek Philippe
Langematik-Perpétuelle / Lange & Söhne
Opus V of Harry Winston
Opus 7 of Harry Winston
Opus 9 of Harry Winston
Louis Moinet
Concord C1 Tourbillon
Concord C1 QuantumGravity
Girard Perregaux
Carl F. Bucherer
La Machine à Ecrire le Temps

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Patek Philippe Star Caliber 2000


The Star Caliber 2000
To mark the new millennium, Patek Philippe writes watchmaking history by combining the rarest complications in one timepiece.

The Star Caliber 2000 is a double-faced pocket watch. With 21 complications, it ranks third among the world's most complicated timepieces, right after the Patek Philippe Caliber 89 (1989 33 complications) and the Patek Philippe Graves (1933 24 complications). With its Grande Sonnerie that strikes in passing and minute-repeater for the strike on demand, it is the first timepiece that can play the correct sequence of the Westminster Chime. The solar dial indicates the time in hours, minutes, and seconds, the running equation of time, the displays of the perpetual calendar, the sunrise and sunset times, and the power reserve of the movement and chime. The celestial side of the watch shows the movements of the nocturnal sky, the lunar orbit, and the phases of the moon. Six patent-worthy mechanisms substantiate the high degree of innovation incorporated in the Star Caliber 2000. Altogether, twenty Star Caliber 2000 watches will be produced - in five sets of four timepieces each. Four sets consist of a yellow gold, a white gold, a rose gold, and a platinum watch. The fifth set is composed of four platinum watches. A complete set in yellow, white, and rose gold, and platinum is priced at 13.2 million Swiss francs (approx. US$ 7.5 million).

Number of parts of the movement:

  • 1118, of which :
  • 135 wheels
  • 33 bridges
  • 336 screws
  • 292 pins
  • 73 springs
  • 172 other mechanical components
  • 54 jewels
  • 3 ball bearings
  • 1 dial
  • 11 hands
  • 8 discs


Front view of the Star Caliber 2000 with the sprung covers opened.

Technical specifications of the movement:

  • Manual winding
  • Two barrels (movement and chime) with bidirectional winding
  • Swiss lever escapement
  • Screw balance
  • Breguet balance spring
  • Power reserve of movement: 30 hours, barrel limited to 5 revolutions
  • Power reserve of chime: 24 hours, barrel limited to 5 revolutions
  • Diameter: 55.40 mm
  • Height: 21.03 mm
  • Weight: 250 g

Dial side displays:

  • Hours, minutes, seconds of mean time
  • Power reserve indicator for the movement
  • Power reserve indicator for the chime
  • Date
  • Leap years


  • Day of the week
  • Month
  • Season
  • Sunrise and sunset
  • 24-hour day/night display with passage of the sun
  • Running equation of time

Celestial side displays:

  • Sky chart
  • Time of meridian passage by Sirius
  • Lunar orbit
  • Moon phases
  • Time of meridian passage by the moon

The movement with the calendar mobile removed, exposing the mechanisms for the Westminster Chime in passing, the minute-repeating complication, and the two power reserve indicators.

Patent CH 689 337 A5

The transmission mechanism that assures the precise control of the chime.

Mechanism for sunrise and sunseet time display with two transparent blu-dye horizon segments.

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