Swiss. A fine 18K gold openface minute repeating perpetual calendar split seconds chronograph keyless lever watch with phases of the moon

UNSIGNED, NO. 9553, CIRCA 1910

Details

Swiss. A fine 18K gold openface minute repeating perpetual calendar split seconds chronograph keyless lever watch with phases of the moon
Unsigned, No. 9553, circa 1910
With nickel-finished fully jewelled lever movement, bimetallic compensation balance, micrometer regulator, wolf's tooth winding, minute repeating on two polished steel hammers, gold cuvette with engraved inscription James I. Blakslee to Robert I. Blakslee February 20, 1934, the white enamel dial with Breguet numerals, gold Louis XV hands, four subsidiary dials indicating month combined with leap year indicator, day, date and phases of the moon combined with lunar calendar and constant seconds, in heavy plain circular case, repeating slide in the band, split seconds chronograph mechanism operated through a button in the band and through the crown, unsigned
51 mm. diam.

Lot Essay

Concluding from its high quality and layout, very similar to Audemars Piguet's number 4125 (see Audemars Piguet by Gisbert L. Brunner, Christian Pfeiffer-Belli, Martin K. Wehrli, second edition, pp. 144-145), the ébauche of the present watch is possibly made by the renowned manufacturer, even if not registered in their archives.

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