Case in stainless steel 316L, Ø40mm with basin-shape profile. Water-resistant to 3 bar. Total thickness of 11mm, crystal included. Box type sapphire crystal with double sided anti-reflective coating. Case back in stainless steel 316L with lugs, stamped logo and transparent sapphire crystal. Dial in conglomerate of fossilised ammonites. This dial with warm hues is like wearing a piece of Earth’s history on the wrist. High end dark brown calf leather strap, with brown leather lining and handmade stitching. Tongue buckle in stainless steel 316L. Swiss mechanical movement (Sellita SW300-1 Premium) with automatic winding, 42 hours of power reserve, 25 jewels, 28’800 vibrations/hour (4Hz), displaying hours, minutes and seconds with hands.