Omega Speedmaster '57 vs Tudor Black Bay 58 S&G
Ref. 332.10.41.51.01.001 vs Ref. M79010SG-0001
The Omega Speedmaster '57 (chronograph) and Tudor Black Bay 58 S&G (dive watch) represent different approaches to luxury watchmaking. While the Omega Speedmaster '57 is priced at $9,500 and the Tudor Black Bay 58 S&G at $5,525, both offer compelling value propositions. This comparison examines their specifications, market positioning, and investment potential side by side.
Price Comparison
Omega
Speedmaster '57
Tudor
Black Bay 58 S&G
At retail, the Omega Speedmaster '57 is listed at $9,500 while the Tudor Black Bay 58 S&G comes in at $5,525. At $3,975 less (72% savings), the Tudor Black Bay 58 S&G offers a substantially lower entry point. On the secondary market, the gap narrows: the Omega Speedmaster '57 trades around $6,200 and the Tudor Black Bay 58 S&G around $5,525, a difference of $675 favoring the Tudor Black Bay 58 S&G. Available at 35% below retail and trending downward, this represents a buying opportunity for those comfortable with the current market position. The Tudor Black Bay 58 S&G commands an even stronger market premium of 0.0%, holding steady. For investors, the Tudor Black Bay 58 S&G edges ahead with a flip potential score of 3/10 compared to 2/10.
Specifications
| Specification | Omega Speedmaster '57 | Tudor Black Bay 58 S&G |
|---|---|---|
| Case Diameter | 40.5mm | 39mm |
| Case Thickness | 12.99mm | 11.9mm |
| Case Material | Stainless steel | Stainless steel and yellow gold |
| Bezel | Stainless steel bezel with tachymetre scale | Unidirectional rotating bezel with anodized aluminium insert in brown |
| Crystal | Sapphire crystal front and caseback | Sapphire crystal |
| Water Resistance | 50m / 167ft | 200m / 660ft |
| Movement | Omega Co-Axial Master Chronometer calibre 9906 | Tudor Calibre MT5402 |
| Movement Type | Automatic | Automatic |
| Power Reserve | 60 hours | 70 hours |
| Bracelet/Strap | Stainless steel bracelet | Stainless steel and yellow gold with riveted-style links |
| Clasp | Adjustable clasp | Folding clasp with safety catch |
| Lug Width | 21mm | 20mm |
Key specification differences stand out between these two: The Tudor Black Bay 58 S&G leads in water resistance (200m / 660ft vs. 50m / 167ft), and the Tudor Black Bay 58 S&G offers longer power reserve at 70 hours, and the Omega Speedmaster '57 uses Stainless steel while the Tudor Black Bay 58 S&G opts for Stainless steel and yellow gold. 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 Speedmaster '57 costs $153 versus $142 for the Tudor Black Bay 58 S&G. For water resistance, the Tudor Black Bay 58 S&G delivers better value per meter of depth rating. The Tudor Black Bay 58 S&G offers more power reserve per dollar spent.
Which Should You Buy?
Choose the Omega Speedmaster '57 if you value timing functionality. Go with the Tudor Black Bay 58 S&G if you prioritize a lower entry price, stronger flip potential, better value retention. For pure investment potential, the Tudor Black Bay 58 S&G has the edge based on current market data.
Frequently Asked Questions
Which is more affordable, the Omega Speedmaster '57 or the Tudor Black Bay 58 S&G?
The Tudor Black Bay 58 S&G is more accessible, priced at $5,525 compared to $9,500.
Which watch is a better investment?
Based on current market data, the Tudor Black Bay 58 S&G 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 Tudor Black Bay 58 S&G currently trades at 0.0% below retail, indicating moderate value retention on the pre-owned market.
How do the Omega Speedmaster '57 and Tudor Black Bay 58 S&G compare in size?
The Omega Speedmaster '57 measures 40.5mm in diameter and 12.99mm thick, while the Tudor Black Bay 58 S&G is 39mm by 11.9mm. Water resistance differs too: 50m / 167ft versus 200m / 660ft.
What movements do these watches use?
The Omega Speedmaster '57 uses the Omega Co-Axial Master Chronometer calibre 9906 with 60 hours power reserve, while the Tudor Black Bay 58 S&G runs on the Tudor Calibre MT5402 offering 70 hours of power reserve.

