GREUBEL FORSEY Double Tourbillon 30° Technique Rose Gold Ref. GF02sOR5 Manual Cal. DT30 120h PR (2 cages, 4 barrels)

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Model:Technique Rose Gold Ref. GF02sOR5 Manual Cal. DT30 120h PR (2 cages, 4 barrels)
Merk:GREUBEL FORSEY
Collectie:Double Tourbillon 30°
Geslacht:Heren
Uurwerk:Tourbillon caliber
Kast:18К solid gold
Wijzerplaat:skeletonized
Glas:Saffier kristal met dubbele AR coating
Band:alligator strap
Kast achterzijde:screwed see-through sapphire glass
Diameter:48 mm Zonder kroon
Waterbestendig:3 ATM
Garantie:24 Maanden, Inclusief gestempelde garantiekaart, alle papieren en certificaten.
Beschrijving:

Movement
Movement dimensions
Diameter : 38.40 mm
Tickness : 12.15 mm
Number of parts
Movement : 396 parts
Two tourbillon cages : 132 parts
Total weight of the two cages : 1.17 g
Number of jewels
43
Olived-domed jewels in gold chatons
Chronometric Power Reserve
120 hours
Barrels
Four coaxial series-coupled fast-rotating barrels (1 turn in 3.2 hours), one of which is equipped with a slipping spring to avoid excess tension
22k gold cover with nickel-palladium treatment and relief engraving
Balance wheel
Variable-inertia with white gold mean-time screws (10.70 mm diameter)
Frequency
21'600 vibrations/hour
Balance spring
Phillips terminal curve
Geneva-style stud
Main plates
Nickel silver, frosted and bevelled with countersinks and straight-grained flanks, black chrome treatment
Bridges
Nickel silver, frosted and spotted with polished bevelling and countersinks, straight-grained flanks, nickel-palladium treatment
Inner tourbillon
Inclined at a 30° angle, 1 rotation per minute
Outer tourbillon
1 rotation in 4 minutes
Hand-bevelled and openworked cage pillars
Gold counterweight
Gearing
Involute circle profile
Conical gearing with profiled teeth
Displays
Hours and minutes
Small seconds
120-hours power reserve on a sector
4-minutes outer tourbillon rotation
60 seconds inner tourbillon rotation
Exterior
Case
In 18k 5N red gold or white gold with convex synthetic sapphire crystal
Case dimensions
Diameter : 47.50 mm
Tickness : 16.84 mm
Water resistance of case
Water-resistant 3 atm - 30 m - 100 ft
(Standard NIHS 92-20/SN ISO 22810:2010)
Crown
In 18k 5N red gold or white gold with engraved and black lacquered GF logo
Hands
Hours and minutes in polished gold, with Super-LumiNova
Small seconds, power-reserve (red triangles)
Engraved synthetic sapphire 4-minutes indicator
Strap and clasp
Hand-sewn alligator
18k 5N red gold or white gold folding clasp, hand-engraved with the GF logo
Dial side
Multi-level synthetic sapphire hour-ring, galvanic growth hour indexes, engraved and lacquered inner tourbillon rotation indicator
Small seconds and power-reserve indicators in gold

Functies:

KronSegler

ZENO-WATCH BASEL

Glycine Watch

CT Scuderia

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