AN ATTRACTIVE BELLE EPOQUE DIAMOND PENDANT WATCH, TIFFANY & CO.

Details
AN ATTRACTIVE BELLE EPOQUE DIAMOND PENDANT WATCH, TIFFANY & CO.
Designed as a pavé-set diamond pendant of circular outline, the reverse, a circular watch, suspended from a detachable single and old European-cut diamond bow lapel pin, mounted in platinum and 18K gold (watch movement numbered 110586), circa 1900
Signed by Tiffany & Co., No. 110586, 392
Literature
For an illustration of this pendant watch see:

P. Proddow and D. Healy, "American Jewelry", Rizzoli, New York, 1987, p. 64