Omega Railmaster 235.12.38.20.06.001
Ref. 235.12.38.20.06.001 · Grey dial · In production
- Case38 mm
- Thick12.36 mm
- Lug-to-lug44.92 mm
- Water res.150 m
- MovementAutomatic
- CrystalSapphire
Omega Railmaster 235.12.38.20.06.001 size, specs and price at a glance
The Omega Railmaster 235.12.38.20.06.001 is 38 mm wide and 12.36 mm thick, with a lug-to-lug length of 44.92 mm. It takes 19 mm straps and ships on a leather strap. Inside is the Omega 8806 automatic calibre, water resistant to 150 m. US list price: $5,800 when we last checked omegawatches.com (3 Nov 2026).
Strap shopping? See our Omega lug width chart.
Overview
The Omega 235.12.38.20.06.001 is a sports watch from the Seamaster collection, part of the Railmaster family. It has a 38 mm stainless steel case, 12.36 mm thick, 44.92 mm from lug to lug. Omega lists the dial as grey. Inside is an automatic movement (calibre Omega 8806) with 55 h of power reserve. You also get 150 m water resistance, a sapphire crystal and a leather strap.
Who it suits
- Wrists of roughly 15.1–17.0 cm (6.0–6.7 in), by our Watch Finder sizing guide
- Everyday wear including swimming
- People who enjoy seeing a mechanical movement at work
Strengths
- Sapphire crystal resists scratches
- Screw-down crown helps keep water out
- Compact 44.92 mm lug-to-lug suits smaller wrists
- Display caseback shows the movement
- Light at 79 g
Written by Watch.co from the published specs below. These are not owner reviews.
Full specifications
Case
| Case diameter | 38 mm | omegawatches.com · 3 Nov 2026 |
|---|---|---|
| Thickness | 12.36 mm | omegawatches.com · 3 Nov 2026 |
| Lug-to-lug | 44.92 mm | omegawatches.com · 3 Nov 2026 |
| Case material | Stainless steel | omegawatches.com · 3 Nov 2026 |
| Crystal | Sapphire | omegawatches.com · 3 Nov 2026 |
| Caseback | Display (see-through) | omegawatches.com · 3 Nov 2026 |
| Water resistance | 150 m | omegawatches.com · 3 Nov 2026 |
| Screw-down crown | Yes | omegawatches.com · 3 Nov 2026 |
| Weight | 79 g | omegawatches.com · 3 Nov 2026 |
Dial
| Dial colour | Grey | omegawatches.com · 3 Nov 2026 |
|---|
Movement
| Movement type | Automatic | omegawatches.com · 3 Nov 2026 |
|---|---|---|
| Calibre | Omega 8806 | omegawatches.com · 3 Nov 2026 |
| Power reserve | 55 h | omegawatches.com · 3 Nov 2026 |
| Certification | METAS Master Chronometer | omegawatches.com · 3 Nov 2026 |
Strap / Bracelet
| Bracelet / strap | Leather strap | omegawatches.com · 3 Nov 2026 |
|---|---|---|
| Lug width | 19 mm | omegawatches.com · 3 Nov 2026 |
Other
| US list price (MSRP) | $5,800 | omegawatches.com · 3 Nov 2026 |
|---|---|---|
| Production status | In production | omegawatches.com · 3 Nov 2026 |
| Style (our classification) | Sports | 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.
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Questions about the Omega Railmaster 235.12.38.20.06.001
How big is the Omega Railmaster 235.12.38.20.06.001?
The case is 38 mm wide, 12.36 mm thick and 44.92 mm from lug to lug.
What movement does the Omega Railmaster 235.12.38.20.06.001 use?
It uses the Omega 8806 calibre, a automatic movement with 55 h of power reserve.
Can I swim with the Omega Railmaster 235.12.38.20.06.001?
Yes. It is rated to 150 m.
How much is the Omega Railmaster 235.12.38.20.06.001?
The US list price was $5,800 on omegawatches.com when we checked on 3 Nov 2026. Prices change, so check before you buy.
Will the Omega Railmaster 235.12.38.20.06.001 fit my wrist?
By our sizing guide it sits best on wrists of about 15.1–17.0 cm (6.0–6.7 in). Use the fit checker on this page to test your own wrist.
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