Omega Moonwatch 310.55.42.50.13.001
Ref. 310.55.42.50.13.001 · Brown dial · In production
- Case42 mm
- Thick13.33 mm
- Lug-to-lug47.5 mm
- Water res.50 m
- MovementManual-wind
- CrystalSapphire
Omega Moonwatch 310.55.42.50.13.001 size, specs and price at a glance
The Omega Moonwatch 310.55.42.50.13.001 is 42 mm wide and 13.33 mm thick, with a lug-to-lug length of 47.5 mm. It takes 20 mm straps and ships on a bracelet. Inside is the Omega 3861 manual-wind calibre, water resistant to 50 m. US list price: $57,500 when we last checked omegawatches.com (3 Nov 2026).
Strap shopping? See our Omega lug width chart.
Overview
The Omega 310.55.42.50.13.001 is a chronograph watch from the Speedmaster collection, part of the Moonwatch family. It has a 42 mm gold case, 13.33 mm thick, 47.5 mm from lug to lug. Omega lists the dial as brown. Inside is a manual-wind movement (calibre Omega 3861) with 50 h of power reserve. You also get 50 m water resistance, a sapphire crystal and a bracelet.
Who it suits
- Wrists of roughly 16.8–18.7 cm (6.6–7.4 in), by our Watch Finder sizing guide
- Desk and dress wear (keep it away from swimming)
- People who enjoy seeing a mechanical movement at work
Strengths
- Sapphire crystal resists scratches
- Display caseback shows the movement
Trade-offs
- Only 50 m water resistance: splash-proof, not for swimming
- Heavy at 222 g
Written by Watch.co from the published specs below. These are not owner reviews.
Full specifications
Case
| Case diameter | 42 mm | omegawatches.com · 3 Nov 2026 |
|---|---|---|
| Thickness | 13.33 mm | omegawatches.com · 3 Nov 2026 |
| Lug-to-lug | 47.5 mm | omegawatches.com · 3 Nov 2026 |
| Case material | Gold | omegawatches.com · 3 Nov 2026 |
| Crystal | Sapphire | omegawatches.com · 3 Nov 2026 |
| Caseback | Display (see-through) | omegawatches.com · 3 Nov 2026 |
| Water resistance | 50 m | omegawatches.com · 3 Nov 2026 |
| Weight | 222 g | omegawatches.com · 3 Nov 2026 |
Dial
| Dial colour | Brown | omegawatches.com · 3 Nov 2026 |
|---|---|---|
| Chronograph | Yes | omegawatches.com · 3 Nov 2026 |
Movement
| Movement type | Manual-wind | omegawatches.com · 3 Nov 2026 |
|---|---|---|
| Calibre | Omega 3861 | omegawatches.com · 3 Nov 2026 |
| Power reserve | 50 h | omegawatches.com · 3 Nov 2026 |
| Certification | METAS Master Chronometer | omegawatches.com · 3 Nov 2026 |
Strap / Bracelet
| Bracelet / strap | Bracelet | omegawatches.com · 3 Nov 2026 |
|---|---|---|
| Lug width | 20 mm | omegawatches.com · 3 Nov 2026 |
Other
| US list price (MSRP) | $57,500 | omegawatches.com · 3 Nov 2026 |
|---|---|---|
| Production status | In production | omegawatches.com · 3 Nov 2026 |
| Style (our classification) | Chronograph | our classification |
Specs are summarised in our own words from the brand's product page. Each row links its source and the date we checked it. Fields we haven't verified are left out rather than guessed.
Variants with the same specs
Same case, movement and bracelet or strap; typically a different dial or finish.
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Questions about the Omega Moonwatch 310.55.42.50.13.001
How big is the Omega Moonwatch 310.55.42.50.13.001?
The case is 42 mm wide, 13.33 mm thick and 47.5 mm from lug to lug.
What movement does the Omega Moonwatch 310.55.42.50.13.001 use?
It uses the Omega 3861 calibre, a manual-wind movement with 50 h of power reserve.
Can I swim with the Omega Moonwatch 310.55.42.50.13.001?
Not really. It is rated to 50 m.
How much is the Omega Moonwatch 310.55.42.50.13.001?
The US list price was $57,500 on omegawatches.com when we checked on 3 Nov 2026. Prices change, so check before you buy.
Will the Omega Moonwatch 310.55.42.50.13.001 fit my wrist?
By our sizing guide it sits best on wrists of about 16.8–18.7 cm (6.6–7.4 in). Use the fit checker on this page to test your own wrist.
Watch.co is independent and not affiliated with any brand. Brand names are used only to identify products.