Tudor Black Bay S&G vs Tudor Pelagos 39
Ref. M79733N-0007 vs Ref. M25407N-0001
The Tudor Black Bay S&G and Tudor Pelagos 39 both carry the Tudor name but serve different purposes — the Tudor Black Bay S&G as a dive watch and the Tudor Pelagos 39 as a dive watch. At $5,475 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 S&G
Tudor
Pelagos 39
At retail, the Tudor Black Bay S&G is listed at $5,475 while the Tudor Pelagos 39 comes in at $4,700. The Tudor Pelagos 39 saves you $775 (16% less), a meaningful difference for most buyers. On the secondary market, the gap widens: the Tudor Black Bay S&G trades around $4,928 and the Tudor Pelagos 39 around $3,500, a difference of $1,428 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 S&G | Tudor Pelagos 39 |
|---|---|---|
| Case Diameter | 41mm | 39mm |
| Case Thickness | 12.7mm | 11.8mm |
| Case Material | Stainless steel and yellow gold | Titanium |
| Bezel | Unidirectional rotating bezel with anodized aluminium insert in black | Unidirectional rotating bezel with ceramic insert in black |
| Crystal | Domed sapphire crystal | Sapphire crystal |
| Water Resistance | 200m / 660ft | 200m / 660ft |
| Movement | Tudor Calibre MT5612 | Tudor Calibre MT5400 |
| Movement Type | Automatic | Automatic |
| Power Reserve | 70 hours | 70 hours |
| Bracelet/Strap | Stainless steel and yellow gold with riveted-style links | Titanium bracelet |
| Clasp | Folding clasp with safety catch | Folding clasp with spring-loaded self-adjusting mechanism |
| Lug Width | 22mm | 20mm |
Key specification differences stand out between these two: the Tudor Black Bay S&G uses Stainless steel and yellow gold 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 S&G costs $120 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 S&G if you value better value retention, serious diving capabilities. Go with the Tudor Pelagos 39 if you prioritize a lower entry price, serious diving capabilities.
Frequently Asked Questions
Which is more affordable, the Tudor Black Bay S&G or the Tudor Pelagos 39?
The Tudor Pelagos 39 is more accessible, priced at $4,700 compared to $5,475.
Which holds its value better on the secondary market?
The Tudor Black Bay S&G currently trades at 10.0% below retail, indicating moderate value retention on the pre-owned market.
How do the Tudor Black Bay S&G and Tudor Pelagos 39 compare in size?
The Tudor Black Bay S&G 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 S&G uses the Tudor Calibre MT5612 with 70 hours power reserve, while the Tudor Pelagos 39 runs on the Tudor Calibre MT5400 offering 70 hours of power reserve.