Equation of time with month, season, solstice and equinox
Function selector
Tourbillon 24 Secondes
Hours and minutes
Small seconds
Power-reserve
Diameter
43.50 mm
Height
16.00 mm
Back Case
Transparent back with asymmetrical synthetic sapphire crystal, Raised polished engraving “QP à Équation” and “Greubel Forsey” on a hand-punched background, Gold security screws
Crown
In white gold with engraved GF logo
Water Resistance
3 atm – 30 m – 100 ft
Movement Type
Movement: 624 parts, Tourbillon cage: 86 parts, Weight of the cage: 0.37 g
