Presented at Baselworld 2017, the new Calatrava "Squelette" Ref. 5180/1R in 18K rose gold 5N showcases the extremely rare craft of skeletonization alongside magnificent engravings to imbue the elegant mechanism with enigmatic sensuousness.
This miniature opus of kinetic art houses a skeletonized version of the famous ultra-thin self-winding caliber 240 movement. The 240 SQU caliber’s plate and bridges are pierced to the maximum extent possible to create a seductive view without compromising the reliability and functional integrity of the movement. The plate is open-worked even above the barrel, exposing the coiled mainspring beneath the pierced contour of the Calatrava cross, which has been a registered Patek Philippe trademark for over one hundred years.
Model: Calatrava Ref. 5180/1R
Caliber 240 SQU
Self-winding mechanical movement
Skeletonized and engraved by hand
Diameter: 27.5 mm
Height: 2.53 mm
Number of parts: 159
Number of jewels: 27
Power reserve: Min. 48 hours
Winding rotor: 22K gold minirotor, unidirectionally winding
Frequency: 21,600 semi-oscillations per hour (3 Hz)
Balance spring: Spiromax® (in Silinvar®)
Balance spring stud: Adjustable
• Pushed home: To wind the watch
• Pulled out: To set the time
Hours and minutes
Patek Philippe Seal
18K rose gold 5N
Sapphire-crystal case back
Water resistant to 30 m (3 bar)
Case dimensions: Diameter (10 to 4 o'clock): 39 mm
Width (9 to 3 o'clock incl. crown): 40.95 mm
Length (across lugs): 45.8 mm
Overall height (crystal to lugs): 7.0 mm
Height (crystal to display back): 6.7 mm
Width between lugs: 20 mm
None, for design reasons
12 spokes of the movement holder ring in 18K rose gold 5N as hour markers
Hour and minute hands: baton hands in 18K white gold, blackened
Supple bracelet in 18K rose gold 5N
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