Armin Strom Gravity is the first watch from the Biel-based Manufacture to feature an automatic winding mechanism with micro rotor: the new AMR13 calibre.
With this collection, Armin Strom wanted to express the essence of a fundamental law of physics – that of gravity. Thus, the laws of gravity are used in an automatic watch to transform movements into a mode of indicating the time.
The dial is designed to display the micro rotor, which captures the power of the movements and transforms them into energy. The visibility of this mechanism is made possible thanks to an innovative concept of transmission for the rotor, which remains smaller in size than the diameter of the going barrel.
The Gravity Fire features an 18ct rose gold case with a black dial. It is delivered with a genuine brown alligator horn-back strap and 18ct rose gold ardillon buckle as well as an additional brown rubber strap. A double-fold clasp in 18ct rose gold is available on option
Technical data
RG13-GF.90 GRAVITY FIRE
Manufacture movement ARMIN STROM calibre AMR13
Automatic, 5-days power reserve, small seconds and off-centre time indications
Frequency: 18,000 A/h
Jewels: 32
Number of components: 171
Case: 18ct rose gold
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: Mirror polished
Straps: Delivered with a genuine brown alligator horn-back strap and 18ct rose gold ardillon buckle as well as an additional brown rubber strap. A double-fold clasp in 18ct rose gold is available on option
Edition: Limited to 100 pieces
AMR13 Calibre 16½’’’
Specification:
Functions: Hours, minutes, small seconds
Winding-mechanism: Automatic
Impulse: Going barrel made of special brass
Plates and bridges: Plate and bridges are decorated at the highest level, hand-engravings always correspond to each element
Escapement: Escape wheel and pallets made of massive gold with hardened functional areas
Regulating system: Genuine screwed balance with gold screws, adjusting of the mass moment of inertia by four clamped steel screws, Breguet spiral curve
Frequency: 18,000 A/h
Number of jewels: 32
Number of individual parts: 171
Diameter: 36.60 mm
Height: 6.00 mm
Power reserve: 5 days
