Omega Speedmaster Racing Co-Axial Master Chronometer UNWORN 2023


Omega 329. Speedmaster Racing Co-Axial Master Chronometer Chronograph 32930445104001, stainless steel on a strap with a stainless steel deployant clasp, automatic Omega Co-Axial Caliber 9900, black dial with applied luminous hour markers and racing-style minute/seconds track with orange accent, 12-hour chronograph, date at 6 o'clock, sapphire crystal, display back, water resistant to 50 meters, diameter: 44.25mm, thickness: 16mm. Unworn with Omega box and papers dated 2023.

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More about Speedmaster Racing Co-Axial Master Chronometer UNWORN 2023

This is a stainless-steel Omega Speedmaster Racing Co-Axial Master Chronometer Chronograph 329. It includes a leather strap with a stainless-steel folding deployment clasp and domed and flat scratch resistant sapphire crystals with anti-reflective coatings. It has a signed screw down winding crown, round chronograph push buttons, and a screw down exhibition sapphire display crystal case back engraved with "LIQUIDMETAL – TECHNOLOGY – 50M/165FT," a reference number and a hallmark underneath the lugs. The 44.25mm diameter barrel-shaped solid three-body case, curved lugs, and flat fixed black ceramic bezel with a white Liquidmetal Tachymeter scale to 500 UPH, are polished/brushed. The dial is black with applied luminous "boat-shaped" baton hour markers and orange square end pips around a luminous white 1/5 second/minute perimeter scale. It includes pointed orange hour and minute hands with luminous inserts, and a luminous white center sweep second hand with an arrow indicator tip and an orange needle marker. There is a date aperture window at the 6 o'clock position, and it has twin recessed "Pie Tin" black subsidiary dials with white Arabic numerals, markers, and orange/white indicator hands, including a small running constant seconds register at 9 o'clock, and a 12-hour chronograph totalizer is at 3 o'clock. It's water resistant to 50 meters/165 feet, it has a 60-hour power reserve at full winding, and the 16mm thick case, dial, and movement are all signed. This Omega Planet Ocean Co-Axial Chronograph 329. has a mechanical automatic Omega caliber 9900 (base Omega caliber 9300) column wheel chronograph movement. It's rhodium plated with fan-shaped Cotes de Geneve wave embellishment, it's resistant to magnetic fields reaching 15,000 gauss, and it was the first of Omega's chronograph movements to receive the new METAS certification. It includes the Co-Axial escapement, and it's constructed with 54 jewels, an Si14 Silicon balance spring on a free sprung balance, and twin barrels mounted in series. The mechanism oscillates at a frequency of 28,800 vph (4 Hz). The Omega Speedmaster Racing Co-Axial Master Chronometer Chronograph 329. was introduced at the BaselWorld exhibition in 2018.

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