To celebrate its 225th anniversary, Girard-Perregaux unveils a watch inspired by the Tourbillon with Three Gold bridges pocket chronometer that won the gold medal at the universal exhibition in Paris in 1889.
The Esmeralda Tourbillon pink gold case houses the Tourbillon with Three Bridges mechanical calibre with automatic winding. Known as reference GP09400, this large 16-ligne movement, developed and manufactured in-house, takes up the entire case-band and, especially in this instance, features a 14.3 mm diameter tourbillon carriage and a 10.5 mm diameter balance wheel.
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