Tudor Black Bay vs Tudor Royal
Ref. M79230N-0009 vs Ref. M28300-0003
The Tudor Black Bay and Tudor Royal both carry the Tudor name but serve different purposes — the Tudor Black Bay as a dive watch and the Tudor Royal as a everyday watch. At $4,100 and $2,650 respectively, the question isn't which is better — it's which better fits your collection and investment goals.
Price Comparison
Tudor
Black Bay
Tudor
Royal
At retail, the Tudor Black Bay is listed at $4,100 while the Tudor Royal comes in at $2,650. At $1,450 less (55% savings), the Tudor Royal offers a substantially lower entry point. On the secondary market, the gap narrows: the Tudor Black Bay trades around $3,690 and the Tudor Royal around $2,253, a difference of $1,437 favoring the Tudor Royal. Available at 10% below retail and holding steady, this represents a buying opportunity for those comfortable with the current market position. The Tudor Royal shows a more modest market premium of -15.0%, 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 Royal |
|---|---|---|
| Case Diameter | 41mm | 38mm |
| Case Thickness | 12.7mm | 10.5mm |
| Case Material | Stainless steel | Stainless steel |
| Bezel | Unidirectional rotating bezel with anodized aluminium insert in black | Stainless steel with knurled edge |
| Crystal | Domed sapphire crystal | Sapphire crystal |
| Water Resistance | 200m / 660ft | 100m / 330ft |
| Movement | Tudor Calibre MT5602 | Tudor Calibre T601 |
| Movement Type | Automatic | Automatic |
| Power Reserve | 70 hours | 38 hours |
| Bracelet/Strap | Stainless steel with riveted-style links | Stainless steel integrated bracelet |
| Clasp | Folding clasp with safety catch and micro-adjustment | Folding clasp with safety catch |
| Lug Width | 22mm | Integrated bracelet |
Key specification differences stand out between these two: The Tudor Black Bay leads in water resistance (200m / 660ft vs. 100m / 330ft), and the Tudor Black Bay offers longer power reserve at 70 hours. With 7 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 $59 for the Tudor Royal. 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 better value retention, serious diving capabilities. Go with the Tudor Royal if you prioritize a lower entry price.
Frequently Asked Questions
Which is more affordable, the Tudor Black Bay or the Tudor Royal?
The Tudor Royal is more accessible, priced at $2,650 compared to $4,100.
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 Royal compare in size?
The Tudor Black Bay measures 41mm in diameter and 12.7mm thick, while the Tudor Royal is 38mm by 10.5mm. Water resistance differs too: 200m / 660ft versus 100m / 330ft.
What movements do these watches use?
The Tudor Black Bay uses the Tudor Calibre MT5602 with 70 hours power reserve, while the Tudor Royal runs on the Tudor Calibre T601 offering 38 hours of power reserve.

