Gerald Genta Automatic Tourbillon, rare watch

18kt yellow gold wrist watch, skeletal, octagonal case mm. 35, limited series no. 45, ref. 49053, white enamel dial with roman numerals, seconds count 6 o'clock with visible tourbillon carriage, sapphire crystal display case, mechanical movement with automatic charge n. U79, original leather and 18kt yellow gold strap with deployant clasp