Introduced in 2005, this Grand Complication pocket watch entirely hand-crafted by the sculptor-watchmaker Vincent Bérard comes in four unique versions, with “grand feu” gold and enamel colours to highlight each of the seasons.
Equipped with a hand-wound mechanical movement featuring an openwork bridge representing the season, this grand complication watch incorporates perpetual calendar, Quarter repeater striking mechanism, Automatons and Thermometer.
The Summer version of this watch features a yellow gold case; Spring variation has a green gold case; Autumn variant has a red gold case; and Winter variation has a white gold case.
Hand-wound mechanical, engine-turned, bevelled, on an openwork bridge representing the season
Hours, minutes, perpetual calendar and leap years (seconds, date, day, month)
Quarter repeater striking mechanism
10-day power reserve with a spring for adjusting the tension of the gears
Thermometer (°C) with a bimetal spiral
750 yellow gold (18K) (Summer variation), diameter 91 mm, thickness 32 mm
Cambered sapphire crystal with a hollow to display the automaton function
Transparent sapphire back with a hand-engraved cover in solid gold
Satin-finished, silvered gold, brushed sunray
Hands, hour markers and Roman numerals in blued gold
Double dial with the upper part shaped like a «triskel»
Three small off-centred dials for the perpetual calendar functions
Spring variation: green gold
Autumn variant: red gold
Winter variation: white gold