Omega Speedmaster Automatic Moon SS


Omega 304. Speedmaster Professional Moonwatch Moonphase, 30430445201001, stainless steel case on a stainless steel bracelet, automatic Omega caliber 9904 movement, 60 hour power reserve, chronograph with date and moonphase display, black dial with luminous hands and indexes, sapphire crystal, display back, water resistant to 100 meters, size: 44.25mm, thickness: 17mm, Unworn with original box and papers dated 2022.

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More about Speedmaster Automatic Moon SS

This is a stainless steel Omega Speedmaster Professional Moon watch Moon phase 304. It has an integral stainless steel link bracelet, and a scratch resistant "top hat" domed sapphire crystal with anti-reflective coatings on both sides. It has a screw down protected winding crown, two round chronograph push buttons, and there is an exhibition screw down sapphire display case back, engraved with "MOONPHASE – LIQUIDMETAL – 100M-330 FT." The black ceramic bezel ring has a Liquidmetal® tachymeter scale to 500 UPH. The 44.25mm diameter solid three-body case, curved lugs, and flat bezel, are polished/brushed. The dial is black with steel baton hands with luminous Super-LumiNova inserts, and applied faceted steel baton hour markers with luminous inserts; "Speedmaster" is printed in red. There is a steel center sweep seconds hand with a luminous arrow indicator and a red needle tip, and around the perimeter is a minute/one-fifth second scale. At 6 o'clock is the realistic Moon phase indicator; it features a metallic crystal disc that's "micro-structured" to produce an extremely high-resolution image of the moon. There are twin black recessed steel-rimmed subsidiary dials, including a small running seconds indicator at 9 o'clock with a radial date scale indicated with a red crescent. A 12-hour chronograph totalizer is at the 3 o'clock position. It has a 60-hour power reserve at full wind, and it's water resistant to 100 meters/330 feet. It has a Certified Master Chronometer rating approved by METAS, it's resistant to magnetic fields reaching 15,000 gauss, and the 17mm thick case, dial, and movement are all signed. This Omega Speedmaster Professional Moon watch Moon phase 304. has a mechanical automatic self-winding Omega caliber 9904 movement. It has a column wheel chronograph and an Omega Co-Axial escapement. It's rhodium plated, and it's constructed with 54 jewels, 368 components, and a shock absorber device. It includes an Omega's Si14 silicon balance spring, twin barrels mounted in series, and the rotor & visible bridges are embellished with an arabesque wave design. The mechanism oscillates at a frequency of 28,800 vph (4 Hz). The Omega Speedmaster Professional Moon watch Moon phase 304. was introduced in 2010.

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