Introduction

992/126J
- Rare Handcrafts
Manual winding

Pocket watch with back in miniature painting on enamel.

This unique piece in yellow gold pays tribute to a painting by Claude Joseph Vernet entitled “The Abundant Spring” (1766), one of the scenes of ports and seashores that made this French artist famous.

To depict all the detail of the landscape and figures and the quality of the light, the artist used the exacting technique of Grand Feu miniature painting on enamel finished with flux, or transparent enamel, according to the Geneva method. Working on a base layer of white enamel, he built up his picture dot by dot using 19 enamel colors made of finely ground metallic oxides mixed with rare oils. This delicate procedure required 37 firings at temperatures ranging from 800°C to 830°C. The dial in white enamel over yellow gold presents yellow-gold applied Breguet numerals and yellow-gold hands. A green sapphire cabochon (0.37 ct) decorates the crown.

This pocket watch is accompanied by a yellow-gold handcrafted stand on an oval-shaped base in British Columbia jade.

It houses the caliber 17’’’ LEP PS manually wound movement with small seconds.

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Caliber

17''' LEP PS
Manual winding

Patek Philippe Caliber 17''' LEP PS - Front
Front Back

17''' LEP PS
Manual winding

Overall diameter: 38.65 mm. Height: 3.8 mm. Number of parts: 137. Bridges: 7. Jewels: 18. Power-reserve: Min. 50 hours. Balance: Plain with screws. Frequency: 18 000 semi-oscillations per hour (2.5 Hz). Balance spring: Breguet.

Savoir faire

Rare Handcrafts
The enameler’s techniques

The enameler uses one of four traditional techniques, or perhaps a combination; but rare is she – in the watchmaking world, most enamelers are women – who masters them all.

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