Tudor Black Bay 58 vs Tudor Black Bay
Ref. M79030N-0003 vs Ref. M79210CNU-0001
The Tudor Black Bay 58 and Tudor Black Bay both carry the Tudor name but serve different purposes — the Tudor Black Bay 58 as a dive watch and the Tudor Black Bay as a dive watch. At $4,025 and $3,700 respectively, the question isn't which is better — it's which better fits your collection and investment goals.
Price Comparison
Tudor
Black Bay 58
Tudor
Black Bay
At retail, the Tudor Black Bay 58 is listed at $4,025 while the Tudor Black Bay comes in at $3,700. The two watches are priced within $325 of each other, making this a near-even matchup in terms of cost. On the secondary market, the gap widens: the Tudor Black Bay 58 trades around $4,025 and the Tudor Black Bay around $3,330, a difference of $695 favoring the Tudor Black Bay. Currently holding steady at just 0% below retail, this watch retains most of its value on the secondary market. The Tudor Black Bay shows a more modest market premium of -10.0%, holding steady. For investors, the Tudor Black Bay 58 edges ahead with a flip potential score of 3/10 compared to 2/10.
Specifications
| Specification | Tudor Black Bay 58 | Tudor Black Bay |
|---|---|---|
| Case Diameter | 39mm | 41mm |
| Case Thickness | 11.9mm | 12.7mm |
| Case Material | Stainless steel | Stainless steel |
| Bezel | Unidirectional rotating bezel with anodized aluminium insert in black | Unidirectional rotating bezel with anodized aluminium insert in blue |
| Crystal | Sapphire crystal | Domed sapphire crystal |
| Water Resistance | 200m / 660ft | 200m / 660ft |
| Movement | Tudor Calibre MT5402 | Tudor Calibre MT5602 |
| Movement Type | Automatic | Automatic |
| Power Reserve | 70 hours | 70 hours |
| Bracelet/Strap | Aged leather strap in brown | Fabric NATO strap in blue |
| Clasp | Folding clasp | Buckle |
| Lug Width | 20mm | 22mm |
Key specification differences stand out between these two: the Tudor Black Bay 58 features 39mm for case diameter compared to the Tudor Black Bay's 41mm. With 5 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 Tudor Black Bay 58 costs $103 versus $81 for the Tudor Black Bay. For water resistance, the Tudor Black Bay delivers better value per meter of depth rating. The Tudor Black Bay offers more power reserve per dollar spent.
Which Should You Buy?
Choose the Tudor Black Bay 58 if you value stronger flip potential, better value retention, serious diving capabilities. Go with the Tudor Black Bay if you prioritize a lower entry price, serious diving capabilities. For pure investment potential, the Tudor Black Bay 58 has the edge based on current market data.
Frequently Asked Questions
Which is more affordable, the Tudor Black Bay 58 or the Tudor Black Bay?
The Tudor Black Bay is more accessible, priced at $3,700 compared to $4,025.
Which watch is a better investment?
Based on current market data, the Tudor Black Bay 58 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 currently trades at 0.0% below retail, indicating moderate value retention on the pre-owned market.
How do the Tudor Black Bay 58 and Tudor Black Bay compare in size?
The Tudor Black Bay 58 measures 39mm in diameter and 11.9mm thick, while the Tudor Black Bay is 41mm by 12.7mm.
What movements do these watches use?
The Tudor Black Bay 58 uses the Tudor Calibre MT5402 with 70 hours power reserve, while the Tudor Black Bay runs on the Tudor Calibre MT5602 offering 70 hours of power reserve.

