Tudor Black Bay GMT vs Tudor Royal
Ref. M79830RB-0010 vs Ref. M28500-0006
The Tudor Black Bay GMT and Tudor Royal both carry the Tudor name but serve different purposes — the Tudor Black Bay GMT as a gmt / travel watch and the Tudor Royal as a everyday watch. At $4,150 and $2,800 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
Royal
At retail, the Tudor Black Bay GMT is listed at $4,150 while the Tudor Royal comes in at $2,800. The Tudor Royal saves you $1,350 (48% less), a meaningful difference for most buyers. On the secondary market, the gap widens: the Tudor Black Bay GMT trades around $3,735 and the Tudor Royal around $2,380, a difference of $1,355 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 GMT | Tudor Royal |
|---|---|---|
| Case Diameter | 41mm | 41mm |
| Case Thickness | 14.8mm | 11mm |
| Case Material | Stainless steel | Stainless steel |
| Bezel | Bidirectional rotating bezel with anodized aluminium insert in burgundy and blue | Stainless steel with knurled edge |
| Crystal | Sapphire crystal | Sapphire crystal |
| Water Resistance | 200m / 660ft | 100m / 330ft |
| Movement | Tudor Calibre MT5652 | Tudor Calibre T601 |
| Movement Type | Automatic | Automatic |
| Power Reserve | 70 hours | 38 hours |
| Bracelet/Strap | Fabric NATO strap in burgundy and blue | Stainless steel integrated bracelet |
| Clasp | Buckle | Folding clasp with safety catch |
| Lug Width | 22mm | Integrated bracelet |
Key specification differences stand out between these two: The Tudor Black Bay GMT leads in water resistance (200m / 660ft vs. 100m / 330ft), and the Tudor Black Bay GMT offers longer power reserve at 70 hours. With 5 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 $58 for the Tudor Royal. For water resistance, the Tudor Black Bay GMT 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 better value retention. Go with the Tudor Royal if you prioritize a lower entry price.
Frequently Asked Questions
Which is more affordable, the Tudor Black Bay GMT or the Tudor Royal?
The Tudor Royal is more accessible, priced at $2,800 compared to $4,150.
Which holds its value better on the secondary market?
The Tudor Black Bay GMT 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 Royal compare in size?
The Tudor Black Bay GMT measures 41mm in diameter and 14.8mm thick, while the Tudor Royal is 41mm by 11mm. Water resistance differs too: 200m / 660ft versus 100m / 330ft.
What movements do these watches use?
The Tudor Black Bay GMT uses the Tudor Calibre MT5652 with 70 hours power reserve, while the Tudor Royal runs on the Tudor Calibre T601 offering 38 hours of power reserve.