Omega 327. Speedmaster Mark II (31047)

31047 Omega Speedmaster Mark II chronograph 327.,145.014, 32710435001001, stainless steel case on a stainless steel bracelet, automatic co-axial movement caliber 3330, black dial chronograph with white hands and indexes, Diameter: 42.4 x 46.2, Thickness: 15.9mm. Like new with original box and papers dated September 2014.


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More about Omega 327. Speedmaster Mark II

This is a stainless steel Omega Speedmaster Mark II chronograph 327. It has an integral Omega link stainless steel bracelet with a double folding deployment clasp, and a scratch resistant sapphire crystal with anti-reflective coating. In includes round chronograph push buttons, a screw down winding crown, and there is a solid screw down case back with a center Medallion that has a raised engraving of the Omega Hippocampus, and "SPEEDMASTER – COLUMN WHEEL – SI14 – 100M/330FT – MARK II." The 42.4mm by 46.2mm oyster-shaped case, straight lugs, bracelet, and gently rounded bezel, are polished/brushed. The dial is black with luminous white baton hour indices around a white minute/one-quarter second scale. It has luminous white pointed baton hands, a luminous white center sweep chronograph hand with an arrow indicator and a needle tip, and around the perimeter is a luminous tachymeter scale to 500 UPH. There are three recessed black subsidiary dials with luminous white Arabic numerals, markers, and indicator hands, including a running small seconds register at 9 o'clock, a 12-hour chronograph totalizer at 6 o'clock, and there is a 30-minute totalizer at the 3 o'clock position. It includes a Certified Official Superlative Chronometer (COSC) rating, it's water resistant to 100 meters/330 feet, and it has a 52-hour power reserve at full winding. The 15.9mm thick case, dial, and movement are all signed.

This Omega Speedmaster Mark II chronograph 327. has a mechanical automatic self-winding Omega caliber 3330 (based on the Longines L688) column wheel chronograph movement. It has a Co-Axial escapement, it's rhodium plated with fausses cotes embellishment, and it's constructed with 27 jewels, an anti-shock device, and a free sprung balance equipped with an Si14 silicon balance spring. The mechanism oscillates at a frequency of 28,800 vph (4 Hz).

The Omega Speedmaster Mark II chronograph 327. was introduced in 2014.