GREUBEL FORSEY Quadruple Tourbillon Differentiel Spherique Platinum Ref. GF03 PT CA Manual 4 Tourbillon cages Cal. GF03 50h PR

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μοντέλο:Differentiel Spherique Platinum Ref. GF03 PT CA Manual 4 Tourbillon cages Cal. GF03 50h PR
μοντέλο:GREUBEL FORSEY
συλογή:Quadruple Tourbillon
Φύλλο:αντρικά
μηχάνημα:Tourbillon caliber
σώμα:platinum
πλάκα ωρολογίου:Silber weiss
γιαλοί:sapphire crystal with AR coating
αλυσίδα:alligator strap
πλάτη:screwed see-through sapphire glass
διάμετρο:44 mm χωρίς μίτρα
Water resistance:3 ATM
εγγύηση:24 μήνες, σφραγισμένη κάρτα εγγύησης, όλα τα έγγραφα και πιστοποιητικά που περιλαμβάνονται
περιγραφή:

Movement
Movement dimensions
Diameter : 36.40 mm
Tickness : 9.70 mm
Number of parts
Movement : 534 parts
4 tourbillon cages : 261 parts
Total weight of the of the cages : 2.26 g
Spherical differential : 28 parts
Number of jewels
63
Olived-domed jewels in gold chatons
Chronometric Power Reserve
50 hours
Barrels
Two series-coupled fast rotating barrels (1 turn in 3.2 hours), one of which is equipped with a slipping spring to avoid excess tension
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, spotted with polished bevelling and countersinks, straight-grained flanks, nickel-palladium treatment
Bridges
Nickel silver, frosted and spotted with polished bevelling and countersinks, straight-grained flanks, nickel-palladium treatment
Gold plate engraved with the individual number
2 steel tourbillon bridges (movement side) : flat black polished with hand-polished bevelling and countersinks
2 synthetic sapphire tourbillon bridges (dial side)
Outer tourbillon
1 rotation in 4 minutes
Hand-bevelled and openworked cage pillars
1 gold counterweight per double cage bearing the individual number of the timepiece
Gearing
Involute circle profile
Conical gearing with profiled teeth
Displays
Hours and minutes
Small seconds on a sector (mean performance)
50-hours power reserve on a sector
240-seconds outer-tourbillon rotation (on one of the outer cages)


Exterior
Case
In 18k 5N red gold or platinum 950 with asymmetrical convex synthetic sapphire crystal
Transparent back with asymmetrical convex synthetic sapphire crystal
Lateral window with shaped synthetic sapphire crystal
Three-dimensional, variable geometry-shaped lugs
Raised polished engraving "Quadruple" and "Greubel Forsey" on a hand-punched background
Gold security screws
Polished bezel, caseband with hand-finished straight graining
Hand-engraved individual number
Case dimensions
Diameter : 43.50 mm
Tickness : 16.11 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 platinum 950 with engraved and black-lacquered GF logo

Dial
Gold multi-level either black (18k 5N red gold version) or silvered (platinum 950 version)
Gold hour markers
Gold display sectors
Gold GF logo

Hands
Hours and minutes, small seconds and power-reserve in polished gold
Strap and clasp
Hand-sewn alligator
18k 5N red gold or platinum 950 folding clasp, hand-engraved with the GF logo

Λειτουργίες:

KronSegler

ZENO-WATCH BASEL

Glycine Watch

CT Scuderia

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