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OMEGA Deluxe 8d Clock, Ref. 5506

CHF 2,750


Original, very fine and rare, eight-day going OMEGA “Deluxe” Dead (Jump) second table chronometer clock, Ref. 5506, Cal. 120 (59.8-D SCS), made circa late 1940s, early 1950s. Featuring a pierced foliage decoration hand-cut by Jean-Pierre Matthey-Claudet on a pastel BLUE Chinese lacquer background. Was advertised as “..the only chronometer clock with 8-day, 20-jewel movement. In design distinguished for home or office, it is a lasting gift, destined to become a family heirloom. With smooth back suitable for personal inscription..”.

C. Square brushed gilt brass, fluted sides, turned feet, fretwork foliate brushed gilt plate hand-cut by Jean-Pierre Matthey-Claudet over blue Chinese lacquer surrounding the dial. D. Matte silvered with applied gilt baton indexes and Arabic quarter-hour numerals, outer minute track with Arabic five minutes/ seconds numerals. Gilt feuille/leaf hands. M. Cal. 120 (aka 59.8-D SCS), copper-colored, 20 jewels, indirect center seconds mounted on the backplate, straight-line lever escapement, cut bimetallic compensation balance, blued steel Breguet balance spring, index regulator. Dial and movement signed. Dim. 13 x 13 x 4.9 cm.

An identical clocks are illustrated in “Omega, A Journey Through Time” book by Marco Richon, page 189. The 59 8-D SCS caliber (59 mm, 8 days, jumping center seconds) was patented on the 17th August 1942 (Swiss patent No. 229234), published January 3rd,1944 under the title (in French) “Timekeeper with Center Seconds”.

Clock is in overall great condition 8/10, running and ready to use or gift!


Brand Omega
Model Deluxe
Reference 5506
Year Circa 1940s
Movement Hand winding
Calibre Cal. Omega 120 (aka 59.8-D SCS)
Case material Brass
Case size 13 x 13 x 4.9 cm
Features dead/jump second, rare blue dial
Box/Papers no box, no papers


Fully working order. Great vintage condition 8/10, minor surface scratches and scuffs through the age. Everything is original. No box, no papers.

Watches are sold as-is, and there is no guarantee of to be waterproof or movement accuracy, due to the nature of vintage watches. Please view all the pictures carefully as they form an integral part of the description. Any defects not mentioned but visible in the pictures will be considered as described.


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