| Condition |
New/Unworn |
| Case Shape |
Round |
| Case Dimensions |
42mm |
| Case Thickness |
13.18mm |
| Case Material |
18kt Rose Gold |
| Dial Color |
Black |
| Crystal |
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.
Close |
50m/167ft |
| Case Back |
Transparent |
| Band Material |
Alligator/Crocodile Leather |
| Color/Finish |
Black |
| Clasp |
Push Button Deployant Buckle |
| Lug Width |
20mm |
| Movement |
Manual Wind – Chronometer Manual Wind Movement: The movement is powered by a thin spiral torsion spring, called the mainspring, which is housed in a barrel inside the movement. The mainspring needs to be wound manually, typically via the crown of the watch. Once the spring is wound the energy from thetension-release of the mainspring drives the movement functions. To ensure uninterrupted operation of the watch, the watch will require rewinding before the mainsprings completely winds down. Most manual-wind watches will have a 35-45 hour power-reserve, yet some might have less & some significantly more, check the specs on each watch to verify the power-reserve duration. Close |
| Complications |
Chronograph |
| COSC Certified |
Yes |
- Brushed & polished 18kt Sedna gold case.
- Polished 18kt Sedna gold crown & buttons.
- Black anodized aluminum bezel ring with tachymetre scale & with the famous dot over 90 ‘DON’.
- Matte black double stepped dial (step-up dial perimeter & stepped down sub-dials)
- Polished Sedna goldhands, central hands with luminous fill.
- Applied Sedna gold index hour markers with luminous tip.
- Fine printed minutes, seconds & fractions of a second index markers.
- Small continuous running seconds sub-dial at 9 o’clock.
- Chronograph/Stopwatch functions:
- Large central seconds hand counter.
- 30 minute counter sub-dial located at the 3 o’clock position.
- 12 hour counter sub-dial located at the6 o’clock position.
- Movement:
- Omega caliber 3861, beats at 21,600 vph (3Hz), contains 26 jewels & has an approximate power reserve of 50 hours.
- METAS Certified Master-Chronometer: The assembled watch, with its COSC certified Chronometer movement, passes rigorous tests that replicate real-life conditions. The METAS certification tests water resistance, precision and magnetic resistance.
- Anti-magnetic: resistant to magnetic fields greater than 15,000 gauss.
- Features a silicon balance spring & co-axial escapement.
Mens Omega 310.63.42.50.01.001 Speedmaster Professional Moonwatch Co-Axial Master Chronometer 42mm Watch
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