Gravity by Armin Strom is a collection dedicated to nature’s elements of Air, Fire and Earth. The timepieces display a very natural design, yet they are equipped with intricate technical details. Each sub-collection is available in a limited edition of 100 pieces only. Some trademarks of the collection include the Armin Strom calibre AMR13, small seconds and off-centre time indication, and 32 jewels. Cases are available in stainless steel, 18K rose gold or stainless steel PVD black. The casing is made of high quality sapphire crystal and the case back has anti reflective treatment. The dial rings are white, black and silver respectively with founded appliques, while each timepiece is available with a genuine alligator horn-back leather strap and ardillon buckle in titanium.