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 Muonionalusta meteorite with very nice Widmanstätten patterns, protected from rusting by a rhodium plating and a specific nanometric coating. The Muonionalusta meteorite is mainly composed of iron, then nickel and gallium. Believe it or not, but this marvellous kind of meteorite is as old as 4,565 billion years! Smooth black cow leather strap with vegetal tanning, black calf leather lining. Tongue buckle in stainless steel 316L. Swiss, Sellita SW300-1 Premium, with automatic winding. Ø25.60mm, thickness 3,75mm (hand-fitting height excluded). 42 hours of power reserve. 25 jewels. 28’800 vibrations/hour (4Hz).