Omega "Speedmaster Co-Axial Automatic Chronometer", Movement No. 78402978, Case No. 500, Ref. 31130445001001, Cal. 3313, 44 mm, circa 2012
An automatic wristwatch in mint condition, with chronograph, date and ENAMEL DIAL - CHRONOMETER - with original box, Omega certificate, Omega chronometer certificate, operating instructions and Omega sales tag Case: steel, glazed screw back, black tachy bezel, heavy "Omega" steel bracelet ref. 1958/989 with deployant clasp, bracelet length 150 mm, total length 200 mm. Dial: black enamel.
With its typical combination of black dial and black bezel with painted white hour indexes and baton hands, this Speedmaster looks hardly any different from the original 1950s Speedmaster. Small but interesting changes are the delicate date window at 6 o’clock and the slightly bulging case that is 2 mm larger than the original. The main difference, however, lies in the movement. The watch features an Omega co-axial movement designed for Omega by Dr. George Daniels. The first movement with a co-axial escapement worldwide was launched in the 1970s as one of the most crucial developments for mechanical watches of the century. Its design was inspired by the tourbillon and the co-axial escapement lends a long-term stability to the adjustment of highly accurate timepieces. The escapement is more or less frictionless, i.e., unlike with a traditional lever escapement, the speed is not affected by the viscosity of the lubricant. Omega has been using the co-axial escapement for their top-quality watches since 1999.
Estimate 4,500 - 6,000 €
Price Realised 3,000 €
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