A FINE LADY'S WHITE GOLD CHRONOGRAPH WRISTWATCH WITH REGISTER AND TACHYMETRIC SCALE, Franck Muller, NO. 17, CIRCA 1998

18k, nickel lever movement, mono-metallic balance, 18 jewels,  two-tone silvered matte dial with applied Roman and dot numerals, blued steel moon hands, two sunk guilloche subsidiary dials indicating constant seconds and 30-minute register, chronograph seconds, outer ring divided into 1/5 second with tachymetric scale above, polished circular case with articulated lugs and 2 cylindrical chronograph push-buttons in the band, water-resistant type sapphire crystal display back, case, dial and movement signed, with an 18k white gold Franck Muller buckle.