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Omega

Omega Speedmaster Moonwatch Co-Axial Chronograph 311.98.44.51.51.001 DARK SIDE OF THE MOON

Omega Speedmaster Moonwatch Co-Axial Chronograph 311.98.44.51.51.001 DARK SIDE OF THE MOON

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Condition New/Unworn
Edition Special Edition
Case Shape Round
Case Dimensions 44.25mm
Case Thickness 16.50mm
Case Material Ceramic
Dial Color Black
Crystal Anti-Reflective Scratch Resistant Sapphire
Bezel Fixed
Screw-in Crown No
Water Resistance
No rating Does not allow contact with water
30m/99ft - 50m/165ft Allows for contact with water such as washing hands and rain
50m/165ft - 100m/330ft Allows for light poolside swimming
100m/330ft - 200m/660ft Allows for swimming, snorkeling and showering (do not expose to hot water)
200m/660ft - 500m/1650ft Allows for impact water sports such as board diving and scuba diving
500m/1650ft + Appropriate for serious deep water diving.

Learn more about Water Resistance.

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50m/150ft
Case Back Transparent
Band Material Alligator/Crocodile Leather
Color/Finish Black
Clasp Deployant Buckle
Movement Automatic - Chronometer
COSC Certified Yes
  • Brushed/Satin finished black ceramic case with polished finished beveled edges.
  • Polished black ceramic crown with the omega logo engraved.
  • Polished black ceramic chronograph buttons.
  • Polished black ceramic bezel set with 74 diamonds in Pt850 platinum Liquidmetal®.
  • Dial:
    • High gloss black zirconium oxide ceramic main dial & sub-dials.
    • Sub-dials surrounded with raised black rims with very fine printed silver colored indexes.
    • Applied white gold polished index hour markers set with diamonds.
    • Printed minute/seconds & fractions of a second track.
    • [ZrO2] engraved on the dial directly above the center hands.
  • Polished white gold hands with luminescent fill.
  • Chronograph Stopwatch functions:
    • Large red tipped central seconds hand counter.
    • Minute & hour counters are combined into a single sub-dial located at the 3 o'clock position.
  • Small continuous running seconds hand sub-dial located at the 9 o'clock position.
  • Date window displayed at the 6 o'clock position.
  • Domed sapphire crystal on front & back.
  • Case back engraved with "DARK SIDE OF THE MOON - Si 14 - ZrO2"
  • Polished black zirconium oxide ceramic buckle top with stainless steel deployant buckle mechanism.
  • Movement:
    • Omega caliber 9300, beats at 28,800 vph, contains 54 Jewels & has an approximate power reserve of 60 hours - thanks to its twin barrels mounted in series.
    • Column-Wheel Chronograph - column wheel is visible from the transparent case back.
    • The movement features Omega's "Si 14" silicon balance spring, which contributes to the movements outstanding resistance to shock and to environmental disturbances and thus, to the watch’s chronometric performance.
    • The movement also features the now-standard Co-Axial Escapement which contributes to greater precision, stability & durability. The Co-Axial escapement has less friction & reduces the necessity of lubrication thus reducing the time required between servicing.
    • The combination of the SI 14 balance spring & the Co-Axial escapement makes for an extremely reliable & stable movement.
    • The rotor & visible bridges are decorated with a unique "arabesque" wave design finish.

Alternate model # 31198445151001

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