Omega Seamaster Planet Ocean 600M vs Tudor Ranger
Ref. 215.32.44.21.01.001 vs Ref. M79950-0003
Comparing the Tudor Ranger to the Omega Seamaster Planet Ocean 600M means weighing a significant price difference — is the premium justified? At $6,900 versus $3,025, 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 Planet Ocean 600M
Tudor
Ranger
At retail, the Omega Seamaster Planet Ocean 600M is listed at $6,900 while the Tudor Ranger comes in at $3,025. The Tudor Ranger comes in at $3,875 less — more than half the price difference — making it a significantly more accessible option. On the secondary market, the gap narrows: the Omega Seamaster Planet Ocean 600M trades around $5,520 and the Tudor Ranger around $2,723, a difference of $2,797 favoring the Tudor Ranger. Available at 20% below retail and trending downward, this represents a buying opportunity for those comfortable with the current market position. The Tudor Ranger 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 Planet Ocean 600M | Tudor Ranger |
|---|---|---|
| Case Diameter | 43.5mm | 39mm |
| Case Thickness | 14.41mm | 12mm |
| Case Material | Stainless steel | Stainless steel |
| Bezel | Black ceramic unidirectional rotating bezel with diving scale | Stainless steel, polished |
| Crystal | Domed sapphire crystal with anti-reflective treatment | Sapphire crystal |
| Water Resistance | 600m / 2000ft | 100m / 330ft |
| Movement | Omega Co-Axial Master Chronometer calibre 8900 | Tudor Calibre MT5402 |
| Movement Type | Automatic | Automatic |
| Power Reserve | 55 hours | 70 hours |
| Bracelet/Strap | Black rubber strap | Elastic fabric strap in green |
| Clasp | Steel buckle | Buckle |
| Lug Width | 21mm | 20mm |
Key specification differences stand out between these two: The Omega Seamaster Planet Ocean 600M leads in water resistance (600m / 2000ft vs. 100m / 330ft), and the Tudor Ranger offers longer power reserve at 70 hours. 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 Planet Ocean 600M costs $127 versus $70 for the Tudor Ranger. For water resistance, the Omega Seamaster Planet Ocean 600M delivers better value per meter of depth rating. The Tudor Ranger offers more power reserve per dollar spent.
Which Should You Buy?
Choose the Omega Seamaster Planet Ocean 600M if you value serious diving capabilities. Go with the Tudor Ranger if you prioritize a lower entry price, better value retention.
Frequently Asked Questions
Which is more affordable, the Omega Seamaster Planet Ocean 600M or the Tudor Ranger?
The Tudor Ranger is more accessible, priced at $3,025 compared to $6,900.
Which holds its value better on the secondary market?
The Tudor Ranger currently trades at 10.0% below retail, indicating moderate value retention on the pre-owned market.
How do the Omega Seamaster Planet Ocean 600M and Tudor Ranger compare in size?
The Omega Seamaster Planet Ocean 600M measures 43.5mm in diameter and 14.41mm thick, while the Tudor Ranger is 39mm by 12mm. Water resistance differs too: 600m / 2000ft versus 100m / 330ft.
What movements do these watches use?
The Omega Seamaster Planet Ocean 600M uses the Omega Co-Axial Master Chronometer calibre 8900 with 55 hours power reserve, while the Tudor Ranger runs on the Tudor Calibre MT5402 offering 70 hours of power reserve.

