Roger Dubuis SE46 Easy Diver Chronograph SE46 56 9/12 53 , limited Edition of 280 pieces, stainless steel case with 18k white gold bezel, Carbon fiber inner lugs. on a rubber strap with a folding stainless steel deploying buckle, manual wind Roger Dubuis caliber RD56 movement with Geneva Seal, silver dial with engraved grid design and appiled luminous hour markers, luminous blued steel hands, small seconds at 9 o'clock, 30 minute chronograph, sapphire crystal, display back, diameter: 46mm, thickness: 15mm, The watch is in a very good condition, in working order, keeps good time, chronograph fully functioning.