Mathieu de Larzat, à Paris

A DOUBLE-DIALLED WORLD TIME VERGE WATCH MOVEMENT WITH DATE IN ASSOCIATED CUSTOM MADE GOLD CASE MOVEMENT CIRCA 1780, CASE CIRCA 1820

• Movement: full plate, verge escapement, fusee and chain, cylindrical pillars, plain three-arm brass balance
• Dials: front: white enamel, Roman numerals, outer minute ring with Arabic numeral 5-minute markers, inner red date ring, gilt-brass serpent-form hands heightened with light blue and black enamel, blued steel date hand with arrow-form tip, aperture for winding • back: the outer dial marked with 50 world locations marked in alternating black and gold text, central rotating disc divided into diurnal hours in red and nocturnal hours in black with periods of the day, the disc rotating counter clockwise and the hours indicating to the world locations
• Case: later custom made, pink gold, engine-turned bezels, milled band
diameter 53mm

Provenance:
Antiquorum Geneva, 14 October 1990, lot 51