Important Modern and Vintage Timepieces

Hog Kong, Feb 26, 2011

LOT 273

Rolex Oyster, Ultra Prima Rolex, ?Oyster, Ultra Prima,? Ref. 678. Case No. 28522. Made circa 1925. Very fine, cushion-shaped, 9K yellow gold water-resistant wristwatch To be sold without reserve

C. Three-body, polished, screwed-down crown, bezel and case back with presentation inscription, dust cap, back engraved inside with patent numbers, reeded bezel, wire lugs. D. Silver with applied Arabic numerals, outer minute track, subsidiary seconds dial. Blued steel luminous dart hands. M. Cal. 10 1/2''', rhodium-plated, 15 jewels, extra prima, 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.