A YELLOW GOLD AUTOMATIC SWEEP SECONDS PERPETUAL CALENDAR WRISTWATCH WITH MOON-PHASES
CIRCA 1990 PORTOFINO PERPETUEL CASE 2471359
DIAMETER 35 MM , • automatic nickel lever movement, 36 jewels, glucydur balance, adjusted to five positions • white dial, applied baton indexes, sweep center seconds, engine-turned subsidiary dials indicating date, month, day, fan-form aperture for moon-phases, linear aperture for digital display of year • 18k yellow gold circular case, downturned lugs, screw-down case back • case, dial and movement signed • with an 18k yellow gold IWC buckle
