Omega Seamaster Planet Ocean 600M vs Tudor Black Bay Pro
Ref. 215.30.44.21.01.001 vs Ref. M79470-0003
The Omega Seamaster Planet Ocean 600M (dive watch) and Tudor Black Bay Pro (gmt / travel watch) represent different approaches to luxury watchmaking. While the Omega Seamaster Planet Ocean 600M is priced at $7,300 and the Tudor Black Bay Pro at $4,225, both offer compelling value propositions. This comparison examines their specifications, market positioning, and investment potential side by side.
Price Comparison
Omega
Seamaster Planet Ocean 600M
Tudor
Black Bay Pro
At retail, the Omega Seamaster Planet Ocean 600M is listed at $7,300 while the Tudor Black Bay Pro comes in at $4,225. At $3,075 less (73% savings), the Tudor Black Bay Pro offers a substantially lower entry point. On the secondary market, the gap narrows: the Omega Seamaster Planet Ocean 600M trades around $5,600 and the Tudor Black Bay Pro around $3,803, a difference of $1,797 favoring the Tudor Black Bay Pro. Available at 23% below retail and trending downward, this represents a buying opportunity for those comfortable with the current market position. The Tudor Black Bay Pro 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 Black Bay Pro |
|---|---|---|
| Case Diameter | 43.5mm | 39mm |
| Case Thickness | 14.41mm | 12.3mm |
| Case Material | Stainless steel | Stainless steel |
| Bezel | Black ceramic unidirectional rotating bezel with diving scale | Fixed bezel with 24-hour graduated scale in black |
| Crystal | Domed sapphire crystal with anti-reflective treatment | Sapphire crystal |
| Water Resistance | 600m / 2000ft | 200m / 660ft |
| Movement | Omega Co-Axial Master Chronometer calibre 8900 | Tudor Calibre MT5652 |
| Movement Type | Automatic | Automatic |
| Power Reserve | 55 hours | 70 hours |
| Bracelet/Strap | Stainless steel bracelet | Hybrid rubber and fabric strap in black |
| Clasp | Folding clasp with diver extension | Folding clasp |
| 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. 200m / 660ft), and the Tudor Black Bay Pro 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 $129 versus $98 for the Tudor Black Bay Pro. For water resistance, the Omega Seamaster Planet Ocean 600M delivers better value per meter of depth rating. The Tudor Black Bay Pro 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 Black Bay Pro 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 Black Bay Pro?
The Tudor Black Bay Pro is more accessible, priced at $4,225 compared to $7,300.
Which holds its value better on the secondary market?
The Tudor Black Bay Pro 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 Black Bay Pro compare in size?
The Omega Seamaster Planet Ocean 600M measures 43.5mm in diameter and 14.41mm thick, while the Tudor Black Bay Pro is 39mm by 12.3mm. 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 Master Chronometer calibre 8900 with 55 hours power reserve, while the Tudor Black Bay Pro runs on the Tudor Calibre MT5652 offering 70 hours of power reserve.
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