A FINE GOLD TONNEAU AUTOMATIC THREE TIME ZONE CHRONOGRAPH WRISTWATCH WITH DATE AND REGISTER, Franck Muller, “CHRONOBANKER”, NO. 20, REF. 7850 CC MB, CIRCA 1998

18k, circular rhodium plated lever movement, 26 jewels, glucydur balance, platinum rotor, silvered guilloche dial with baton and stylised Arabic numerals, two vertical silvered subsidiary dials indicating two additional time zones, upper subsidiary dial further combined with 30-minute register, another two subsidiary dials indicating date at 3 and constant seconds at 9, inner ring divided into 1/5 second with central chronograph hand, polished tonneau case, case back secured by 4 screws and engraved "No.20", case, dial and movement signed, with an 18k yellow gold Franck Muller buckle.