Omega Seamaster Planet Ocean 600M vs Tudor Black Bay GMT
Ref. 2201.50.00 vs Ref. M79830RB-0001
Comparing the Omega Seamaster Planet Ocean 600M to the Tudor Black Bay GMT means weighing a significant price difference — is the premium justified? At ~$4,000 (market value) versus $4,600, 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 Planet Ocean 600M
Tudor
Black Bay GMT
The Omega Seamaster Planet Ocean 600M is priced at ~$4,000 (market value) while the Tudor Black Bay GMT comes in at $4,600. On the secondary market, the gap narrows: the Omega Seamaster Planet Ocean 600M trades around $4,000 and the Tudor Black Bay GMT around $3,800, a difference of $200 favoring the Tudor Black Bay GMT. Available at 13% below retail and trending upward, this represents a buying opportunity for those comfortable with the current market position. The Tudor Black Bay GMT shows a more modest market premium of -17.4%, though currently trending downward. For investors, the Omega Seamaster Planet Ocean 600M edges ahead with a flip potential score of 3/10 compared to 2/10.
Specifications
| Specification | Omega Seamaster Planet Ocean 600M | Tudor Black Bay GMT |
|---|---|---|
| Case Diameter | 42mm | 41mm |
| Case Thickness | 14.5mm | 14.8mm |
| Case Material | Stainless steel | Stainless steel |
| Bezel | Black unidirectional rotating bezel with diving scale | Bidirectional rotating bezel with anodized aluminium insert in burgundy and blue |
| Crystal | Sapphire crystal with anti-reflective treatment | Sapphire crystal |
| Water Resistance | 600m / 2000ft | 200m / 660ft |
| Movement | Omega Co-Axial calibre 2500 | Tudor Calibre MT5652 |
| Movement Type | Automatic | Automatic |
| Power Reserve | 48 hours | 70 hours |
| Bracelet/Strap | Stainless steel bracelet | Stainless steel with riveted-style links |
| Clasp | Folding clasp with diver extension | Folding clasp with safety catch |
| Lug Width | 20mm | 22mm |
Key specification differences stand out between these two: The Omega Seamaster Planet Ocean 600M leads in water resistance (600m / 2000ft vs. 200m / 660ft), and the Tudor Black Bay GMT 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 $95 versus $93 for the Tudor Black Bay GMT. For water resistance, the Omega Seamaster Planet Ocean 600M delivers better value per meter of depth rating. The Tudor Black Bay GMT offers more power reserve per dollar spent.
Which Should You Buy?
Choose the Omega Seamaster Planet Ocean 600M if you value a lower entry price, stronger flip potential, better value retention. Go with the Tudor Black Bay GMT if you prioritize the Tudor heritage. For pure investment potential, the Omega Seamaster Planet Ocean 600M has the edge based on current market data.
Frequently Asked Questions
Which is more affordable, the Omega Seamaster Planet Ocean 600M or the Tudor Black Bay GMT?
The Omega Seamaster Planet Ocean 600M is more accessible, priced at ~$4,000 (market value) compared to $4,600.
Which watch is a better investment?
Based on current market data, the Omega Seamaster Planet Ocean 600M has a higher flip potential score of 3/10, suggesting stronger investment returns. However, watch values can fluctuate based on market conditions.
Which holds its value better on the secondary market?
The Omega Seamaster Planet Ocean 600M currently trades at 13.0% below retail, indicating moderate value retention on the pre-owned market.
How do the Omega Seamaster Planet Ocean 600M and Tudor Black Bay GMT compare in size?
The Omega Seamaster Planet Ocean 600M measures 42mm in diameter and 14.5mm thick, while the Tudor Black Bay GMT is 41mm by 14.8mm. Water resistance differs too: 600m / 2000ft versus 200m / 660ft.
What movements do these watches use?
The Omega Seamaster Planet Ocean 600M uses the Omega Co-Axial calibre 2500 with 48 hours power reserve, while the Tudor Black Bay GMT runs on the Tudor Calibre MT5652 offering 70 hours of power reserve.
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