Automatic mechanical movement J880.1 with display for date and day, chronoscope with second stop, luminous hands, stainless steel case PVD coated Ø 40,7 mm, 5-times screwed back with mineral crystal, convex hard Plexiglass with SICRALAN coating, horseskin strap with stainless steel buckle PVD coated, water-resistant up to 3 atm.