Tudor Black Bay vs Tudor Pelagos 39
Ref. M79230B-0008 vs Ref. M25407N-0001
The Tudor Black Bay and Tudor Pelagos 39 both carry the Tudor name but serve different purposes — the Tudor Black Bay as a dive watch and the Tudor Pelagos 39 as a dive watch. At $4,100 and $4,700 respectively, the question isn't which is better — it's which better fits your collection and investment goals.
Price Comparison
Tudor
Black Bay
Tudor
Pelagos 39
At retail, the Tudor Black Bay is listed at $4,100 while the Tudor Pelagos 39 comes in at $4,700. The Tudor Black Bay saves you $600 (15% less), a meaningful difference for most buyers. On the secondary market, the gap narrows: the Tudor Black Bay trades around $3,690 and the Tudor Pelagos 39 around $3,500, a difference of $190 favoring the Tudor Pelagos 39. Available at 10% below retail and holding steady, this represents a buying opportunity for those comfortable with the current market position. The Tudor Pelagos 39 shows a more modest market premium of -25.5%, though currently trending downward. Both watches score equally on flip potential at 2/10, making neither a clear investment winner over the other.
Specifications
| Specification | Tudor Black Bay | Tudor Pelagos 39 |
|---|---|---|
| Case Diameter | 41mm | 39mm |
| Case Thickness | 12.7mm | 11.8mm |
| Case Material | Stainless steel | Titanium |
| Bezel | Unidirectional rotating bezel with anodized aluminium insert in blue | Unidirectional rotating bezel with ceramic insert in black |
| Crystal | Domed sapphire crystal | Sapphire crystal |
| Water Resistance | 200m / 660ft | 200m / 660ft |
| Movement | Tudor Calibre MT5602 | Tudor Calibre MT5400 |
| Movement Type | Automatic | Automatic |
| Power Reserve | 70 hours | 70 hours |
| Bracelet/Strap | Stainless steel with riveted-style links | Titanium bracelet |
| Clasp | Folding clasp with safety catch and micro-adjustment | Folding clasp with spring-loaded self-adjusting mechanism |
| Lug Width | 22mm | 20mm |
Key specification differences stand out between these two: the Tudor Black Bay uses Stainless steel while the Tudor Pelagos 39 opts for Titanium. With 6 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 costs $90 versus $90 for the Tudor Pelagos 39. For water resistance, the Tudor Pelagos 39 delivers better value per meter of depth rating. The Tudor Pelagos 39 offers more power reserve per dollar spent.
Which Should You Buy?
Choose the Tudor Black Bay if you value a lower entry price, better value retention, serious diving capabilities. Go with the Tudor Pelagos 39 if you prioritize serious diving capabilities.
Frequently Asked Questions
Which is more affordable, the Tudor Black Bay or the Tudor Pelagos 39?
The Tudor Black Bay is more accessible, priced at $4,100 compared to $4,700.
Which holds its value better on the secondary market?
The Tudor Black Bay currently trades at 10.0% below retail, indicating moderate value retention on the pre-owned market.
How do the Tudor Black Bay and Tudor Pelagos 39 compare in size?
The Tudor Black Bay measures 41mm in diameter and 12.7mm thick, while the Tudor Pelagos 39 is 39mm by 11.8mm.
What movements do these watches use?
The Tudor Black Bay uses the Tudor Calibre MT5602 with 70 hours power reserve, while the Tudor Pelagos 39 runs on the Tudor Calibre MT5400 offering 70 hours of power reserve.