Platinum and diamond lapel watch, circa 1920

The openwork rectangular case and articulated surmount set with old European-cut, single-cut, baguette and pear-shaped diamonds weighing approximately 2.40 carats, the center of the case accented with a marquise-shaped diamond of yellow color weighing approximately .60 carat, the dial applied with black Arabic numerals and blued steel hands, movement signed Longines W. Co., Swiss. 

Manual movement, currently running. Please see conditions of sale regarding watches in the catalogue on page 272. Movement signed Longines W. Co., Swiss and numbered 3077819, 18 jewels, 5 adjustments. The yellow diamond is VS clarity, it has not been tested for color grading. The remainder of the small diamonds are approximately G-J color and SI-I clarity. The watch pendant swivels to easily reveal the time to the wearer. The dial is clouded and discolored, but the piece is in otherwise good condition.
In response to your inquiry, we are pleased to provide you with a general report of the condition of the property described above. Since we are not professional conservators or restorers, we urge you to consult with a restorer or conservator of your choice who will be better able to provide a detailed, professional report. Prospective buyers should inspect each lot to satisfy themselves as to condition and must understand that any statement made by Sotheby's is merely a subjective qualified opinion. Illustrations in the catalogue may not be actual size. Prospective purchasers are reminded that, unless the catalogue description specifically states that a stone is natural, we have assumed that some form of treatment may have been used and that such treatment may not be permanent. Our presale estimates reflect this assumption.
NOTWITHSTANDING THIS REPORT OR ANY DISCUSSIONS CONCERNING CONDITION OF A LOT, ALL LOTS ARE OFFERED AND SOLD "AS IS" IN ACCORDANCE WITH THE CONDITIONS OF SALE PRINTED IN THE CATALOGUE.