WatchdivesWD1863A
Homage to the Omega Speedmaster Moonwatch Professional
about$189
Regular price at watchdives.com, checked 31 Oct 2026. Marketplace prices change often.
We may earn a commission from these official stores, at no extra cost to you. It never affects scores or rankings. Affiliate disclosure
The Watchdives WD1863A is a homage to the Omega Speedmaster Moonwatch Professional, with a 41 mm case, 1 mm smaller. It uses a mecha-quartz movement and is water resistant to 100 m. Its Resemblance Score is 69 out of 100. It costs about $189 at the official store.
Side by side with the original
Compared with reference 310.30.42.50.01.002. Values marked ≈ are estimates, such as a reviewer's measurement.
| Spec | WD1863A | Speedmaster Moonwatch (310.30.42.50.01.002) | Difference |
|---|---|---|---|
| Case diameter | 41 mm | 42 mm | −1 mm |
| Lug-to-lug | 46 mm | ≈ 47.5 mm | −1.5 mm |
| Thickness | 12.9 mm | ≈ 13.2 mm | −0.3 mm |
| Lug width | 20 mm | ≈ 20 mm | same |
| Water resistance | 100 m | 50 m | |
| Movement | Mecha-quartz, VK63 | Hand-wound, 3861 | |
| Power reserve | Not published | 50 h | |
| Crystal | Sapphire, high-transparency AR coating | Sapphire | |
| Bezel | Fixed, tachymeter scale, Stainless steel | Aluminium tachymeter scale | |
| Case material | 316L stainless steel | 316L stainless steel | |
| Lume | C3 | Not published | |
| Bracelet | Three-link stainless steel, tapering 20 mm to 18 mm | Not published | |
| Weight | Not published | Not published |
- ≈ Speedmaster Moonwatch, Lug-to-lug: median of 2 agreeing independent measurements (47.46–47.5 mm); the maker does not publish it.
- ≈ Speedmaster Moonwatch, Thickness: median of 3 agreeing independent measurements (13.18–13.2 mm); the maker does not publish it.
- ≈ Speedmaster Moonwatch, Lug width: median of 2 agreeing independent measurements (20 mm); the maker does not publish it.
The original
Omega
Speedmaster Moonwatch
Reference 310.30.42.50.01.002, steel case and bracelet, sapphire crystal front and back
- Case
- 42 mm
- Lug-to-lug
- ≈ 47.5 mm
- Thickness
- ≈ 13.2 mm
- Water resistance
- 50 m
- Movement
- Hand-wound, 3861
- List price
- $9,000
Why it scores 69
Proportions and movement are computed from specs. Design details and functions are judged from the brand's official images. How we score
Proportions20.9 / 30
- Case diameter8 / 121 mm apart
- Lug-to-lug3.5 / 81.5 mm apart
- Thickness5.4 / 60.3 mm apart
- Lug width4 / 4Same size
Design signatures31 / 40
- Black dial with white hands5 / 10Black dial. The hands and markers carry cream lume rather than white.
- Tachymeter bezel8 / 8Steel tachymeter bezel in the official images. The original record lists an aluminium scale.
- Twisted lugs4 / 8Angular faceted lugs on a case that widens at the pushers in the official images. Whether they are twisted cannot be judged from the front-on images.
- Bracelet that tapers from the lugs to the clasp6 / 6Brushed three-link bracelet tapering from 20 mm to 18 mm, per the brand.
- Domed sapphire crystal8 / 8Domed sapphire crystal with AR coating, per the brand.
Functions and materials12 / 20
- Complications4 / 8Chronograph with a central chronograph seconds hand, two sub-dials and a 24-hour sub-dial. The original record does not describe its sub-dial layout.
- Bezel action2 / 4Fixed tachymeter bezel. The original record gives an aluminium tachymeter scale and does not say whether it rotates.
- Case and bezel materials2 / 4316L steel case with a steel bezel. The original record lists an aluminium tachymeter scale.
- Crystal shape and date window4 / 4Domed sapphire. The original record lists sapphire and no cyclops.
Movement type5 / 10
- Movement type5 / 10Related movement type.
What reviewers and owners say
We haven't read enough independent reviews of this model to summarise them yet.
Good
- Domed sapphire crystal with AR coating
- Three-link bracelet tapering 20 mm to 18 mm with an on-the-fly adjustable clasp
- 100 m water resistance with a screw-down crown
- Compact 46 mm lug-to-lug
Less good
- Quartz (meca-quartz) movement, not a hand-wound movement
- Only the matte black dial is offered
Compare
Sources
Checked 31 Oct 2026. Every figure on this page comes from one of these pages.