Exceptionally fine Swiss 18k gold complicated lever Circa 1898

Highly important rose gold open faced complicated watch by Patek Philippe
–
An exceptionally fine and highly important Swiss 18 carat rose gold open faced minute repeating perpetual calendar split seconds chronograph clock watch with grande and petite sonnerie, moon phases, circa 1898. Sold to Stephen S. Palmer October 3, 1900. Nickel finished two train jewelled lever movement wound by turning the crown to either side, bimetallic compensation balance, minute repeating and grande/petite sonnerie striking on two polished steel hammers onto two gongs, activated by a slide in the band at 5 o’clock. Rose gold cuvette. White enamel dial with Roman numerals, blued steel hands, four subsidiary dials for constant seconds combined with date, day, month and 30 minute register combined with phases and ages of the moon. Heavy polished case, monogram SSP to the back, chronograph button in the crown, split second mechanism operated by a button in the band at 11 o’clock along with the slide to lock the chronograph, slides for Strike/Silent function between 8 and 9 o’clock and grande/petite sonnerie between 3 and 4 o’clock. Case, cuvette, dial and movement signed, case and movement numbered. Accompanied by original Certificate, invoice dated 1900 and presentation box.
–
Diameter: 59 mm
–
Signed: Patek, Philippe & Cie Genève