Zirconium 702  Case, crown, dial, movement holder made of solid Zirconium, blued steel hands, black printed numbers, case diameter 38.00 mm. Hhistorical hand-winding movement caliber Fontainemelon FHF 96  The "Zirconium" timepieces are entirely manufactured on demand, the four-body constructed watch cases are made from pure Zirconium metal in a case diameter of 38.00 mm. These timepieces are entirely manufactured in our atelier by hand and hand operated machines  Zirconium is a very rare and costly metal. It has high affinity to oxygen that facilitates the formation of a protective oxide film which result a high corrosion resistant in the most acids. Zirconium is used in various applications in the nu- clear industry. Furthermore in the chemical industry for valves, pumps, tubes and heat exchanger as well in the medical industry for the reason that zirconium is biocompatible and non-toxic. Zirconium has the fourth lowest electronegativity, It‘s hardness (Mohs 5) is slightly below stainless steel  Completely hand made on demand in the atelier of Angular Momentum & Manu Propria in Bern, Switzerland