Introduction

5077/100G
- Rare Handcrafts
Self-winding

Calatrava wristwatch with dial in cloisonné enamel enriched with miniature painting on enamel over hand-executed guilloché work.

“Ponte Vecchio” in Florence: this limited edition pays tribute to one of Italy’s most famous site.

First, the gold dial was adorned with delicate hand-guilloched patterns. The enameler then shaped the outlines of the Grand Feu cloisonné enamel decoration, using 62 cm of gold wire measuring 0.1 mm x 0.4 mm in cross-section, before bringing it to life with opaque, transparent and opalescent enamels in 30 colors. In areas such as the water, the guilloched decoration shines through the color, a style of enameling known as flinqué. Details were refined with miniature painting on enamel. Each dial required between 10 and 22 firings at temperatures ranging from 800°C to 820°C. The bezel and lugs are set with 113 brilliant-cut Top Wesselton Pure diamonds (~0.8 ct) and the buckle sparkles with 29 diamonds (~0.22 ct).

Housed in a white-gold case, the caliber 240 ultra-thin self-winding movement may be admired through the sapphire-crystal back.

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Caliber

240
Self-winding

Patek Philippe Caliber 240 - Front
Front Back

240
Self-winding

Diameter: 27.5 mm. Height: 2.53 mm. Parts: 161. Bridges: 6. Jewels: 27. Power reserve: Min. 48 hours. 22K gold off-center mini-rotor. Balance: Gyromax®. Vibrations/hour: 21 600 (3 Hz). Balance spring: Spiromax®. Hallmark: Patek Philippe Seal. Patent: CH 595 653.

Savoir faire

Attention to details
Enameling

Enameling, often used by Patek Philippe to decorate cases and dials, is one of the most high-risk of the rare handcrafts. The precarious fusing of powdered glass at ultra-high temperatures can produce heartbreaking disasters but, when successful, the result is luminous beauty, from designs in radiant, jewel-bright colors that will never dull, to lustrous, gently traditional looks.

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