Omega Seamaster Diver 300M vs Rolex Rolex Deepsea
Ref. 210.22.42.20.03.002 vs Ref. M136660-0005
In the dive watch category, the Omega Seamaster Diver 300M and Rolex Rolex Deepsea go head to head — two of the most sought-after options from rival manufacturers. The Omega Seamaster Diver 300M at $8,700 and the Rolex Rolex Deepsea at $15,200 each bring unique strengths. Here's our detailed breakdown of how they compare on specs, pricing, and market value.
Price Comparison
Omega
Seamaster Diver 300M
Rolex
Rolex Deepsea
At retail, the Omega Seamaster Diver 300M is listed at $8,700 while the Rolex Rolex Deepsea comes in at $15,200. At $6,500 less (75% savings), the Omega Seamaster Diver 300M offers a substantially lower entry point. On the secondary market, the gap widens: the Omega Seamaster Diver 300M trades around $6,960 and the Rolex Rolex Deepsea around $16,500, a difference of $9,540 favoring the Omega Seamaster Diver 300M. Available at 20% below retail and trending downward, this represents a buying opportunity for those comfortable with the current market position. The Rolex Rolex Deepsea commands an even stronger market premium of +8.6%, holding steady. For investors, the Rolex Rolex Deepsea edges ahead with a flip potential score of 5/10 compared to 2/10.
Specifications
| Specification | Omega Seamaster Diver 300M | Rolex Rolex Deepsea |
|---|---|---|
| Case Diameter | 42mm | 44mm |
| Case Thickness | 13.56mm | 17.7mm |
| Case Material | Stainless steel and 18K Sedna gold | Oystersteel |
| Bezel | Blue ceramic and Sedna gold unidirectional rotating bezel | Cerachrom (ceramic) in black |
| Crystal | Domed sapphire crystal with anti-reflective treatment | Sapphire, 5.5mm thick |
| Water Resistance | 300m / 1000ft | 3900m / 12800ft |
| Movement | Omega Co-Axial Master Chronometer calibre 8800 | Rolex calibre 3235 |
| Movement Type | Automatic | Automatic |
| Power Reserve | 55 hours | 70 hours |
| Bracelet/Strap | Stainless steel and Sedna gold bracelet | Oyster, three-piece solid links |
| Clasp | Folding clasp with diver extension | Oysterlock safety clasp with Fliplock extension and Glidelock extension system |
| Lug Width | 20mm | 22mm |
Key specification differences stand out between these two: The Rolex Rolex Deepsea leads in water resistance (3900m / 12800ft vs. 300m / 1000ft), and the Rolex Rolex Deepsea offers longer power reserve at 70 hours, and the Omega Seamaster Diver 300M uses Stainless steel and 18K Sedna gold while the Rolex Rolex Deepsea opts for Oystersteel. 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 Diver 300M costs $166 versus $375 for the Rolex Rolex Deepsea. For water resistance, the Rolex Rolex Deepsea delivers better value per meter of depth rating. The Omega Seamaster Diver 300M offers more power reserve per dollar spent.
Which Should You Buy?
Choose the Omega Seamaster Diver 300M if you value a lower entry price, serious diving capabilities. Go with the Rolex Rolex Deepsea if you prioritize stronger flip potential, better value retention, serious diving capabilities. For pure investment potential, the Rolex Rolex Deepsea has the edge based on current market data.
Frequently Asked Questions
Which is more affordable, the Omega Seamaster Diver 300M or the Rolex Rolex Deepsea?
The Omega Seamaster Diver 300M is more accessible, priced at $8,700 compared to $15,200.
Which watch is a better investment?
Based on current market data, the Rolex Rolex Deepsea has a higher flip potential score of 5/10, suggesting stronger investment returns. However, watch values can fluctuate based on market conditions.
Which holds its value better on the secondary market?
The Rolex Rolex Deepsea currently trades at 8.6% above retail, indicating strong value retention on the pre-owned market.
How do the Omega Seamaster Diver 300M and Rolex Rolex Deepsea compare in size?
The Omega Seamaster Diver 300M measures 42mm in diameter and 13.56mm thick, while the Rolex Rolex Deepsea is 44mm by 17.7mm. Water resistance differs too: 300m / 1000ft versus 3900m / 12800ft.
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 Rolex Rolex Deepsea runs on the Rolex calibre 3235 offering 70 hours of power reserve.