International Watch Co. An 18 carat gold rectangular self-winding perpetual calendar and moonphase wristwatch

International Watch Co. An 18 carat gold rectangular self-winding perpetual calendar and moonphase wristwatch
Signed International Watch Co., model Novacento, No. 426, 1989
With self-winding movement, the white enamel dial with baton numerals, subsidiary dials for day, date and month, sector for the moon, aperture for the year date, with gold hands, in rectangular case with stepped sides, the back secured by six screws, with maker's leather strap and 18 carat gold buckle, presentation box with book of instructions, glass phial containing as additional slide for the date, and international guarantee dated 1989, case, dial and movement signed
41 x 27 mm.