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Grande Sonnerie
For every watchmaker even slightly fascinated by the history of watchmaking excellence, the Grande Sonnerie represents a culmination, a pinnacle that...
is often not reached in the space of a lifetime. Without a shadow of doubt, the Grande Sonnerie is one of the greatest of watchmaking complications. Since the very beginning of their partnership, Robert Greubel and Stephen Forsey have been thinking out what their own, resolutely contemporary interpretation of this regal complication could be. For eleven years, the Grande Sonnerie shaped their day-to-day life. Eleven years, during which they worked in the utmost secrecy to assemble the 935 parts of this timepiece, striving in particular to achieve absolute harmony between the movement, the exterior and the acoustics.
Diameter: 43.50 mm
Material: Titanium with asymmetrical convex synthetic sapphire crystal
Water Resistance: 3 atm - 30 m - 100 ft
Movement: Hand-wound movement
Power Reserve: 72 hours
Bracelet: Hand-sewn, alligator
Dial: Multi-level in gold, black colour, window showing the hammers and the gongs