Omega Seamaster 300 Spectre vs Rolex Sea-Dweller
Ref. 233.30.41.21.01.001 vs Ref. M126603-0001
Comparing the Omega Seamaster 300 Spectre to the Rolex Sea-Dweller means weighing a significant price difference — is the premium justified? At ~$8,500 (market value) versus $19,450, these two watches serve different segments of the market. Here's how they stack up on specifications, value retention, and investment potential.
Price Comparison
Omega
Seamaster 300 Spectre
Rolex
Sea-Dweller
The Omega Seamaster 300 Spectre is priced at ~$8,500 (market value) while the Rolex Sea-Dweller comes in at $19,450. On the secondary market, the gap narrows: the Omega Seamaster 300 Spectre trades around $8,500 and the Rolex Sea-Dweller around $24,313, a difference of $15,813 favoring the Omega Seamaster 300 Spectre. This watch trades at 31% above retail on the secondary market and is trending upward — a strong indicator of collector demand. The Rolex Sea-Dweller also shows a healthy market premium of +25.0%, with upward momentum. Both watches score equally on flip potential at 6/10, making neither a clear investment winner over the other.
Specifications
| Specification | Omega Seamaster 300 Spectre | Rolex Sea-Dweller |
|---|---|---|
| Case Diameter | 41mm | 43mm |
| Case Thickness | 14.35mm | 14.7mm |
| Case Material | Stainless steel | Oystersteel and 18ct yellow gold |
| Bezel | Black and grey bidirectional rotating bezel with 12-hour scale | Cerachrom (ceramic) in black |
| Crystal | Domed sapphire crystal with anti-reflective treatment | Sapphire with Cyclops lens |
| Water Resistance | 300m / 1000ft | 1220m / 4000ft |
| Movement | Omega Co-Axial Master Chronometer calibre 8400 | Rolex calibre 3235 |
| Movement Type | Automatic | Automatic |
| Power Reserve | 60 hours | 70 hours |
| Bracelet/Strap | Stainless steel bracelet with NATO strap included | Oyster, three-piece solid links in Oystersteel and 18ct yellow gold |
| Clasp | Adjustable clasp | Oysterlock safety clasp with Fliplock extension and Glidelock extension system |
| Lug Width | 20mm | 22mm |
Key specification differences stand out between these two: The Rolex Sea-Dweller leads in water resistance (1220m / 4000ft vs. 300m / 1000ft), and the Rolex Sea-Dweller offers longer power reserve at 70 hours, and the Omega Seamaster 300 Spectre uses Stainless steel while the Rolex Sea-Dweller opts for Oystersteel and 18ct yellow gold. With 8 notable spec differences in total, the choice depends on which features matter most to your use case.
Value Per Feature
Per millimeter of case diameter, the Omega Seamaster 300 Spectre costs $207 versus $565 for the Rolex Sea-Dweller. For water resistance, the Rolex Sea-Dweller delivers better value per meter of depth rating. The Omega Seamaster 300 Spectre offers more power reserve per dollar spent.
Which Should You Buy?
Choose the Omega Seamaster 300 Spectre if you value a lower entry price, better value retention, serious diving capabilities. Go with the Rolex Sea-Dweller if you prioritize serious diving capabilities.
Frequently Asked Questions
Which is more affordable, the Omega Seamaster 300 Spectre or the Rolex Sea-Dweller?
The Omega Seamaster 300 Spectre is more accessible, priced at ~$8,500 (market value) compared to $19,450.
Which holds its value better on the secondary market?
The Omega Seamaster 300 Spectre currently trades at 30.8% above retail, indicating strong value retention on the pre-owned market.
How do the Omega Seamaster 300 Spectre and Rolex Sea-Dweller compare in size?
The Omega Seamaster 300 Spectre measures 41mm in diameter and 14.35mm thick, while the Rolex Sea-Dweller is 43mm by 14.7mm. Water resistance differs too: 300m / 1000ft versus 1220m / 4000ft.
What movements do these watches use?
The Omega Seamaster 300 Spectre uses the Omega Co-Axial Master Chronometer calibre 8400 with 60 hours power reserve, while the Rolex Sea-Dweller runs on the Rolex calibre 3235 offering 70 hours of power reserve.