Omega Seamaster Diver 300M vs Tudor Pelagos
Ref. 210.62.42.20.01.001 vs Ref. M25600TB-0001
Comparing the Tudor Pelagos to the Omega Seamaster Diver 300M means weighing a significant price difference — is the premium justified? At $29,900 versus $5,600, 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 Diver 300M
Tudor
Pelagos
At retail, the Omega Seamaster Diver 300M is listed at $29,900 while the Tudor Pelagos comes in at $5,600. The Tudor Pelagos comes in at $24,300 less — more than half the price difference — making it a significantly more accessible option. On the secondary market, the gap narrows: the Omega Seamaster Diver 300M trades around $23,920 and the Tudor Pelagos around $5,040, a difference of $18,880 favoring the Tudor Pelagos. Available at 20% below retail and trending downward, this represents a buying opportunity for those comfortable with the current market position. The Tudor Pelagos commands an even stronger market premium of -10.0%, holding steady. Both watches score equally on flip potential at 2/10, making neither a clear investment winner over the other.
Specifications
| Specification | Omega Seamaster Diver 300M | Tudor Pelagos |
|---|---|---|
| Case Diameter | 42mm | 42mm |
| Case Thickness | 13.56mm | 14.3mm |
| Case Material | 18K Sedna gold | Titanium |
| Bezel | Black ceramic and Sedna gold unidirectional rotating bezel | Unidirectional rotating bezel with ceramic insert in blue |
| Crystal | Domed sapphire crystal with anti-reflective treatment | Sapphire crystal |
| Water Resistance | 300m / 1000ft | 500m / 1640ft |
| Movement | Omega Co-Axial Master Chronometer calibre 8800 | Tudor Calibre MT5612 |
| Movement Type | Automatic | Automatic |
| Power Reserve | 55 hours | 70 hours |
| Bracelet/Strap | 18K Sedna gold bracelet | Titanium with self-adjusting clasp |
| Clasp | Folding clasp with diver extension | Folding clasp with spring-loaded self-adjusting mechanism |
| Lug Width | 20mm | 22mm |
Key specification differences stand out between these two: The Tudor Pelagos leads in water resistance (500m / 1640ft vs. 300m / 1000ft), and the Tudor Pelagos offers longer power reserve at 70 hours, and the Omega Seamaster Diver 300M uses 18K Sedna gold while the Tudor Pelagos opts for Titanium. With 7 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 Diver 300M costs $570 versus $120 for the Tudor Pelagos. For water resistance, the Tudor Pelagos delivers better value per meter of depth rating. The Tudor Pelagos offers more power reserve per dollar spent.
Which Should You Buy?
Choose the Omega Seamaster Diver 300M if you value serious diving capabilities. Go with the Tudor Pelagos if you prioritize a lower entry price, better value retention, serious diving capabilities.
Frequently Asked Questions
Which is more affordable, the Omega Seamaster Diver 300M or the Tudor Pelagos?
The Tudor Pelagos is more accessible, priced at $5,600 compared to $29,900.
Which holds its value better on the secondary market?
The Tudor Pelagos currently trades at 10.0% below retail, indicating moderate value retention on the pre-owned market.
How do the Omega Seamaster Diver 300M and Tudor Pelagos compare in size?
The Omega Seamaster Diver 300M measures 42mm in diameter and 13.56mm thick, while the Tudor Pelagos is 42mm by 14.3mm. Water resistance differs too: 300m / 1000ft versus 500m / 1640ft.
What movements do these watches use?
The Omega Seamaster Diver 300M uses the Omega Co-Axial Master Chronometer calibre 8800 with 55 hours power reserve, while the Tudor Pelagos runs on the Tudor Calibre MT5612 offering 70 hours of power reserve.

