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Omega Seamaster Diver 300M Specifications
| Reference | 210.30.42.20.06.001, 210.32.42.20.01.001 |
|---|---|
| Case Size | 42mm |
| Lug Width | 20mm |
| Lug-to-Lug | 50mm |
| Thickness | 13.6mm |
| Case Material | stainless steel |
| Crystal | sapphire with anti-reflective coating |
| Water Resistance | 300m |
| Movement | Omega 8800 (automatic) |
| Bezel | unidirectional rotating dive bezel (ceramic) |
| Crown | screw-down with helium escape valve |
| Case Back | display caseback (sapphire) |
| Price Range | $5,100-$5,800 |
Compatible Straps for the Omega Seamaster Diver 300M
The Seamaster Diver 300M 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 | |
| rubber/silicone | Barton | Water-resistant, comfortable for daily wear | $15–$80 | |
| leather | Artem | Dresses up the watch, fits 20mm lugs | $15–$80 | |
| OEM stainless steel bracelet | Crafter Blue | Compatible with 20mm attachment | $15–$80 | |
| mesh bracelet | Rubber B | Adjustable fit, dressy appearance | $15–$80 |
Replacement Parts for the Omega Seamaster Diver 300M
| Part | Description | Compatibility Note |
|---|---|---|
| crystal | Protective cover over the dial | Fits 42mm case |
| bezel insert (ceramic) | Outer ring marking | Matches unidirectional rotating dive bezel (ceramic) configuration |
| crown | Time-setting knob on case side | screw-down with helium escape valve type |
| spring bars | Pins that hold the strap to the case | 20mm, 1.5mm diameter recommended |
| bracelet clasp | Replacement component | Check compatibility with Seamaster Diver 300M |
| helium escape valve | Replacement component | Check compatibility with Seamaster Diver 300M |
| case back gasket | Seal that maintains water resistance | Required for 300m WR rating |
Modding the Omega Seamaster Diver 300M
The Seamaster Diver 300M 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 or rubber — Upgrade to a premium aftermarket strap or metal bracelet.
Frequently Asked Questions
What lug width is the Omega Seamaster Diver 300M?
The Seamaster Diver 300M has a 20mm lug width.
Does the Seamaster Diver 300M have a helium escape valve?
Yes. The current Seamaster Diver 300M features a helium escape valve at the 10 o'clock position, designed for saturation diving.
What is the wave pattern on the dial?
The laser-engraved wave pattern on the Seamaster Diver 300M dial pays homage to the original 1993 Seamaster 300M design, which featured a similar wave motif.