Pink gold Repeating Split second Watch no. 5625

Case: Pink gold Dial: Silvered, Roman numerals, subsidiary seconds dial, blued steel hands, signed "Henry Birks & Sons, Limited" Movement: Nickel, micrometer regulator, counterpoised lever, signed "CH Meylan, Brassus, Superior Adjustment, 5625 Pat" Provenance: 19?? - CH Meylan, Brassus 2019 - Antiquorum, est Eur7-9,000, sold 9,750, 16 Jul 2019, "C.H. MEYLAN FOR BIRKS & SONS, POCKET WATCH, MINUTE REPEATER, PINK GOLD Very fine and rare keyless-winding, open-face, round-shaped, pocket watch in 18k pink gold, made for the American market, subsidiary seconds at 6 with four horological complications. Minute repeater on two steel gongs, single push-piece chronograph, split-seconds chronograph and a 30-minute recorder on a subsidiary dial at 12. Silver guilloché engine-turned dial with Roman numerals. Case back engraved in taille-douce (fine cut) with the cypher « A.E.D. ». Très belle et rare montre de poche à remontage au pendant en or rose 18k (750). Quatre complications horlogères. Répétition à minutes sur 2 gongs métalliques, chronographe monopoussoir, rattrapante et compteur 30 minutes. Brand  C. H. Meylan Model Made for Henry Birks & Sons Limited, Montréal (Canada) Year Circa 1910 Calibre  17½”, rhodium-plated, with going barrel, straight-line equilibrated lever escapement, cut-compensated balance and blued steel hairspring with terminal curve, index regulator with swan-neck spring and micrometric screw, superior adjustment Case No. 5 625 Dimensions 49.2 mm Signature Dial Accessories Copies of the invention patent, Notes The movement of this watch was made with a calibre especially built by C.H. Meylan for his chronograph with an unusual column wheel, patented in 1880. The mention « Superior Adjustment » refers to a movement finished with 8 adjustments and 39 or 40 jewels. The present watch is the most complicated version of those that the brand usually marketed, with, in addition to the patented chronograph (1880), a minute recorder, a split-seconds chronograph and a minute repeater (patented in 1888). "