Steve Taylor
12
......another numero uno!
Grandes Complications
"Opera One" Tourbillon with three gold Bridges with Minute Repeater Movement GP 9899 manual winding Calibre 12 '''
Frequency 21.600 Vibr/h (3 Hz)
37 jewels
Power reserve min. 75 hours
Height 13 mm
Sapphire crystal
See through case-back fastened with 4 gold screws
Case diameter 40 mm
Bracelet size 20/16
Manufacture
Explore the Girard-Perregaux Esmeralda in white gold, tracing its history from 19th-century pocket watch to modern tourbillon wristwatches. See SIHH 2019 highlights.
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