AN 18K ROSE GOLD MINUTE REPEATING SPLIT SECOND CHRONOGRAPH POCKET WATCH, BY TIFFANY & CO., MOVEMENT BY PATEK PHILIPPE, NO. 78257
With nickel-finished jewelled lever movement, bimetallic compensation balance, wolf's tooth winding, minute repeating on two gongs, gold cuvette, the white enamel dial with black Breguet numerals, outer five minute divisions in red, gold hands, two subsidiary dials indicating constant seconds and 60 minute register, the rose gold circular case centering upon an old European-cut diamond star motif, with a cushion-cut sapphire detail of later addition, mounted in 18k rose gold, (cuvette inscribed "Dr. Allen Mason Thomas 45 West 57th Street New York City June 2nd 1903 Annie"), 51 mm diameter, with Swiss assay mark
Dial, movement and case signed Tiffany & Co., no. 78257
With report CS 36827 dated 25 February 2004 from the American Gemological Laboratories stating that it is the opinion of the Laboratory, based on the weight of evidence, that the origin of the sapphire would be classified as Kashmir. No gemological evidence of heat enhancement present.