Gerald Genta mother-of-pearl, stainless steel, automatic jump hour Retrograde wristwatch, Ref. G.3634Dial: round, blue, mother-of-pearl, black Arabic numeral minutes arc, inside black dot and baton retrograde minute markers, aperture at 6:00 for jump hours, black tapered radium hand, Gerald Genta, Swiss MadeMovement: stem set, automatic, 21 jewels, adjusted, Swiss, GAS, ETS, 2892/12Case: round, (6) screw back, 35 mm, coin edged, button, balled crown, inside: GG, outside: Retro Classic, G3634, 88486, Swiss Made AutomaticStrap: black reptile, Gerald Genta strap with stainless steel GG, stainless steel buckle