A hallmark of the Tourbillon Collection is the exposed, intricate inner mechanics.
The tourbillon of the new ATC11 calibre is distinguished by a lever worked in 18ct white gold and an assembly that places the balance wheel and seconds pinion on the same axis.
ST13-TE.90 TOURBILLON EARTH
Manufacture movement ARMIN STROM calibre ATC11
Manual-winding, Tourbillon, double going barrel, 10-days power reserve, small seconds and off-centre time indications
Frequency: 18,000 A/h
Jewels: 24
Number of components: 184
Functions: Hour, minute, small second, Tourbillon
Winding-mechanism: Manual wind-up with crown wheels turning on the dial side
Impulse: Double going barrel
Plate and bridges: Plate and tourbillon bridge are decorated at the highest level, hand-engravings always correspond to each element
Escapement: Escape wheel and pallets made of solid gold with hardened functional areas
Regulating system: Screwed balance with Breguet spiral
Frequency: 18,000 A/h
Number of Jewels: 24
Number of individual parts: 184
Diameter: 36.60 mm
Height: 6.20 mm
Power reserve: 10 days
Case: Stainless steel PVD black
Sapphire crystal and case back with anti-reflective treatment
Diameter: 43.40 mm
Total height: 13.00 mm
Water-resistance: 50 m
Dial ring: Black with founded appliques
Hands: Stainless steel
Straps: Delivered with a genuine black alligator horn-back
strap and double-fold clasp in stainless steel PVD black as well as an additional black rubber strap
Edition: Limited to 50 pieces
