18K yellow gold with white gold edges Watch no. ?

Case: 9568 and 1098 Dial: simple hour, minutes Movement: caliber 17''', extra plate Provenance: 1925 - Niton, Geneve Cortrie Spezial Auktionen 11.11.2017 Karl-Heinz Cortrie GmbH Save High Quality Wrist Watches And Pocket Watches, Fine Collector's Watch Lot 4165. Pocket watch: very fine Breguet Frackuhr "Montre Simple Extra-Plate" No. 1098 in the possession of the counts Rucellai of Florence, with original watch chain and original box as well as confirmation of the originality of Breguet, sold in 1925 for 5800 Fra Lot 4165 Pocket watch: very fine Breguet Frackuhr "Montre Simple Extra-Plate" No. 1098 in the possession of the counts Rucellai of Florence, with original watch chain and original box as well as confirmation of the originality of Breguet, sold in 1925 for 5800 Fra Approx. 45mm, approx. 46g, 18K yellow gold with white gold edges, extra flat design, rändiertes the middle part, the back with a white-gold Noble monogram of count Giangiulio Rucellai (1903-1969), from the inside G. Giangiulio Rucellai Palazzo Rucellai-Florence, Cabinet makers engraved Verger Frères, extra flat and very fine lever movement with Geneva stripes, superbly maintained, original dial with Golden numerals, gold Breguet hands, associated with original watch chain 18K yellow gold/white gold, signed, original box, excellent, Museum quality condition. The Palazzo Rucellai is a significant building in the Renaissance style in Florence. He was, in the year of 1446 by Giovanni Rucellai (1403-1481) in order. Giangiulio Rucellai was the count of Florence, and died in the year 1969. The certificate of authenticity for the watch, issued by Emmanuel Breguet, we have before us a copy. This watch comes from a European collection and will be auctioned without Limit (NO RESERVE)! https://veryimportantlot.com/en/lot/view/pocket-watch-very-fine-breguet-frackuhr-montre-s-9920