This page contains affiliate links. If you purchase through these links, we may earn a small commission at no extra cost to you. We only recommend products we genuinely believe in.
Omega Speedmaster Professional Moonwatch Specifications
| Reference | 310.30.42.50.01.001, 310.30.42.50.01.002 |
|---|---|
| Case Size | 42mm |
| Lug Width | 20mm |
| Lug-to-Lug | 47mm |
| Thickness | 13.2mm |
| Case Material | stainless steel |
| Crystal | sapphire with anti-reflective coating |
| Water Resistance | 50m |
| Movement | Omega 3861 (manual-wind chronograph) |
| Bezel | fixed tachymeter bezel |
| Crown | push-pull with pushers |
| Case Back | display caseback (sapphire) |
| Price Range | $6,300-$7,500 |
Compatible Straps for the Omega Speedmaster Professional Moonwatch
The Speedmaster Professional Moonwatch uses a 20mm Lug Width and is compatible with the following strap types.
| Type | Recommended Brand | Why It Works | Price Range | Link |
|---|---|---|---|---|
| NATO/ZULU | Omega OEM | Classic look, easy to swap, fits 20mm lugs | $15–$80 | |
| leather | Forstner | Dresses up the watch, fits 20mm lugs | $15–$80 | |
| rubber/silicone | Barton | Water-resistant, comfortable for daily wear | $15–$80 | |
| OEM stainless steel bracelet | Artem | Compatible with 20mm attachment | $15–$80 | |
| racing strap | Delugs | Compatible with 20mm attachment | $15–$80 | |
| canvas | Hodinkee | Casual, durable field-watch aesthetic | $15–$80 |
Replacement Parts for the Omega Speedmaster Professional Moonwatch
| Part | Description | Compatibility Note |
|---|---|---|
| crystal (hesalite or sapphire) | Protective cover over the dial | Fits 42mm case |
| pushers | Replacement component | Check compatibility with Speedmaster Professional Moonwatch |
| crown | Time-setting knob on case side | push-pull with pushers type |
| spring bars | Pins that hold the strap to the case | 20mm, 1.5mm diameter recommended |
| bracelet clasp | Replacement component | Check compatibility with Speedmaster Professional Moonwatch |
| case back gasket | Seal that maintains water resistance | Required for 50m WR rating |
Modding the Omega Speedmaster Professional Moonwatch
The Speedmaster Professional Moonwatch is a popular platform for modding. Here are the most common modifications.
- strap swap — Upgrade to a premium aftermarket strap or metal bracelet.
- OEM bracelet to NATO — Upgrade to a premium aftermarket strap or metal bracelet.
- Hesalite crystal swap (for hesalite models) — Upgrade the stock mineral/Hardlex crystal to a scratch-resistant sapphire crystal.
Frequently Asked Questions
What lug width is the Omega Speedmaster Moonwatch?
The Speedmaster Professional Moonwatch has a 20mm lug width.
Can I put a NATO strap on a Speedmaster?
Yes. The Speedmaster works with any 20mm NATO strap. Omega even sells their own branded NATO straps for the Moonwatch.
What is the difference between the hesalite and sapphire Moonwatch?
The hesalite model uses acrylic crystal (like the original moon mission watches) with a solid steel caseback. The sapphire model has a sapphire crystal front and a display caseback showing the movement.
Is the Speedmaster Moonwatch automatic?
No. The Speedmaster Professional Moonwatch is a manual-wind chronograph powered by the Omega 3861 caliber. You need to wind it by hand regularly.