Tudor Black Bay vs Tudor Pelagos FXD Chrono
Ref. M79230B-0008 vs Ref. M25717N-0001
The Tudor Black Bay and Tudor Pelagos FXD Chrono both carry the Tudor name but serve different purposes — the Tudor Black Bay as a dive watch and the Tudor Pelagos FXD Chrono as a chronograph. At $4,100 and $6,425 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 FXD Chrono
At retail, the Tudor Black Bay is listed at $4,100 while the Tudor Pelagos FXD Chrono comes in at $6,425. At $2,325 less (57% savings), the Tudor Black Bay offers a substantially lower entry point. On the secondary market, the gap widens: the Tudor Black Bay trades around $3,690 and the Tudor Pelagos FXD Chrono around $6,104, a difference of $2,414 favoring the Tudor Black Bay. Available at 10% below retail and holding steady, this represents a buying opportunity for those comfortable with the current market position. The Tudor Pelagos FXD Chrono commands an even stronger market premium of -5.0%, holding steady. For investors, the Tudor Pelagos FXD Chrono edges ahead with a flip potential score of 3/10 compared to 2/10.
Specifications
| Specification | Tudor Black Bay | Tudor Pelagos FXD Chrono |
|---|---|---|
| Case Diameter | 41mm | 42mm |
| Case Thickness | 12.7mm | 14.8mm |
| Case Material | Stainless steel | Titanium |
| Bezel | Unidirectional rotating bezel with anodized aluminium insert in blue | Fixed bezel with bidirectional rotating inner ring in ceramic |
| Crystal | Domed sapphire crystal | Sapphire crystal |
| Water Resistance | 200m / 660ft | 200m / 660ft |
| Movement | Tudor Calibre MT5602 | Tudor Calibre MT5813 |
| Movement Type | Automatic | Automatic flyback chronograph |
| Power Reserve | 70 hours | 70 hours |
| Bracelet/Strap | Stainless steel with riveted-style links | Fabric strap with fixed spring bar attachment |
| Clasp | Folding clasp with safety catch and micro-adjustment | Buckle with hook and loop fastener |
| Lug Width | 22mm | Integrated fixed spring bars |
Key specification differences stand out between these two: the Tudor Black Bay uses Stainless steel while the Tudor Pelagos FXD Chrono 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 $145 for the Tudor Pelagos FXD Chrono. 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 if you value a lower entry price, serious diving capabilities. Go with the Tudor Pelagos FXD Chrono if you prioritize stronger flip potential, better value retention, timing functionality. For pure investment potential, the Tudor Pelagos FXD Chrono has the edge based on current market data.
Frequently Asked Questions
Which is more affordable, the Tudor Black Bay or the Tudor Pelagos FXD Chrono?
The Tudor Black Bay is more accessible, priced at $4,100 compared to $6,425.
Which watch is a better investment?
Based on current market data, the Tudor Pelagos FXD Chrono 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 Pelagos FXD Chrono currently trades at 5.0% below retail, indicating moderate value retention on the pre-owned market.
How do the Tudor Black Bay and Tudor Pelagos FXD Chrono compare in size?
The Tudor Black Bay measures 41mm in diameter and 12.7mm thick, while the Tudor Pelagos FXD Chrono is 42mm by 14.8mm.
What movements do these watches use?
The Tudor Black Bay uses the Tudor Calibre MT5602 with 70 hours power reserve, while the Tudor Pelagos FXD Chrono runs on the Tudor Calibre MT5813 offering 70 hours of power reserve.

