Tudor Black Bay GMT vs Tudor Pelagos
Ref. M79830RB-0010 vs Ref. M25600TB-0001
The Tudor Black Bay GMT and Tudor Pelagos both carry the Tudor name but serve different purposes — the Tudor Black Bay GMT as a gmt / travel watch and the Tudor Pelagos as a dive watch. At $4,150 and $5,600 respectively, the question isn't which is better — it's which better fits your collection and investment goals.
Price Comparison
Tudor
Black Bay GMT
Tudor
Pelagos
At retail, the Tudor Black Bay GMT is listed at $4,150 while the Tudor Pelagos comes in at $5,600. The Tudor Black Bay GMT saves you $1,450 (35% less), a meaningful difference for most buyers. On the secondary market, the gap narrows: the Tudor Black Bay GMT trades around $3,735 and the Tudor Pelagos around $5,040, a difference of $1,305 favoring the Tudor Black Bay GMT. Available at 10% below retail and holding steady, this represents a buying opportunity for those comfortable with the current market position. The Tudor Pelagos shows a more modest 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 | Tudor Black Bay GMT | Tudor Pelagos |
|---|---|---|
| Case Diameter | 41mm | 42mm |
| Case Thickness | 14.8mm | 14.3mm |
| Case Material | Stainless steel | Titanium |
| Bezel | Bidirectional rotating bezel with anodized aluminium insert in burgundy and blue | Unidirectional rotating bezel with ceramic insert in blue |
| Crystal | Sapphire crystal | Sapphire crystal |
| Water Resistance | 200m / 660ft | 500m / 1640ft |
| Movement | Tudor Calibre MT5652 | Tudor Calibre MT5612 |
| Movement Type | Automatic | Automatic |
| Power Reserve | 70 hours | 70 hours |
| Bracelet/Strap | Fabric NATO strap in burgundy and blue | Titanium with self-adjusting clasp |
| Clasp | Buckle | Folding clasp with spring-loaded self-adjusting mechanism |
| Lug Width | 22mm | 22mm |
Key specification differences stand out between these two: The Tudor Pelagos leads in water resistance (500m / 1640ft vs. 200m / 660ft), and the Tudor Black Bay GMT uses Stainless steel while the Tudor Pelagos 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 GMT costs $91 versus $120 for the Tudor Pelagos. For water resistance, the Tudor Pelagos delivers better value per meter of depth rating. The Tudor Black Bay GMT offers more power reserve per dollar spent.
Which Should You Buy?
Choose the Tudor Black Bay GMT if you value a lower entry price. Go with the Tudor Pelagos if you prioritize serious diving capabilities.
Frequently Asked Questions
Which is more affordable, the Tudor Black Bay GMT or the Tudor Pelagos?
The Tudor Black Bay GMT is more accessible, priced at $4,150 compared to $5,600.
Which holds its value better on the secondary market?
The Tudor Pelagos currently trades at 10.0% below retail, indicating moderate value retention on the pre-owned market.
How do the Tudor Black Bay GMT and Tudor Pelagos compare in size?
The Tudor Black Bay GMT measures 41mm in diameter and 14.8mm thick, while the Tudor Pelagos is 42mm by 14.3mm. Water resistance differs too: 200m / 660ft versus 500m / 1640ft.
What movements do these watches use?
The Tudor Black Bay GMT uses the Tudor Calibre MT5652 with 70 hours power reserve, while the Tudor Pelagos runs on the Tudor Calibre MT5612 offering 70 hours of power reserve.