A stainless steel automatic chronograph wristwatch with day, date, registers and tachometer, Gerald Genta, 'Gefica Chrono', ref. G.3684, circa 1998

blue matte dial, applied luminescent disc numerals and hands, apertures for day and date, three subsidiary dials for constant seconds, 30 minute and 12 hour registers, outer ring for tachometer; together with a stainless steel automatic sweep seconds wristwatch with date and night and day indication, Gerald Genta, 'Night and Day', ref. G.3707, circa 1998, white matte dial, applied luminescent baton numerals and hands, aperture for date at 6 o'clock, sector for night and day indication; each with nickel lever movement, circular water-resistant-type case, case, dial and movement signed, with stainless steel Gerald Genta buckle, accompanied by Gerald Genta cardboard slipcase and box; (2 pieces.)