Self-winding movement calibre J830.5 with display for power reserve, multipart dial, segmented seconds display with double hand, luminous hour and minute hand, stainless steel case Ø 41.8 mm, five-times screwed back, sapphire crystal on both sides (inside anti-reflection coating), crocodile leather strap with stainless steel folding clasp, water-resistant up to 3 atm.