Important Collector's Wristwatches, P...

New York, Sep 17, 2009

LOT 157

Ref. 678 Yellow Gold ?Cushion? Rolex, ?Oyster Ultra-Prima,? Ref. 678. Case No. 28220. Made in 1925. Very fine, cushion-shaped, 9K yellow gold water-resistant wristwatch with enamel dial and a Rolex gold-plated buckle.

C. Three-body, polished, screwed-down case back, bezel and crown, back engraved inside with patent numbers, reeded bezel, wire lugs. D. White gloss and matte enamel with painted radial Roman numerals, outer minute track, subsidiary seconds dial. Blued steel lisse hands. M. Cal. 10 1/2''', ?Ultra-Prima? rhodium-plated, 15 jewels, straight-line lever escapement, monometallic balance timed in six positions, self-compensating flat balance spring. Dial, case and movement signed. Dim. 32 x 32 mm. Thickness 10 mm.