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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
Stainless steel PVD black
Sapphire crystal and case back with anti-reflective treatment
Diameter: 43.40 mm
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 leather strap and ardillon buckle in stainless steel PVD black as well as an additional black rubber strap. A double-fold clasp in stainless steel PVD black is available on option

Edition
Limited to 100 pieces

Ref.
ST13-GE.90

Factsheet

Gravity Collection

Gravity Earth

Gravity Earth
Armin Strom Background Calibre