Tudor Black Bay Chrono vs Tudor Black Bay GMT
Ref. M79360N-0002 vs Ref. M79830RB-0010
The Tudor Black Bay Chrono and Tudor Black Bay GMT both carry the Tudor name but serve different purposes — the Tudor Black Bay Chrono as a chronograph and the Tudor Black Bay GMT as a gmt / travel watch. At $5,825 and $4,150 respectively, the question isn't which is better — it's which better fits your collection and investment goals.
Price Comparison
Tudor
Black Bay Chrono
Tudor
Black Bay GMT
At retail, the Tudor Black Bay Chrono is listed at $5,825 while the Tudor Black Bay GMT comes in at $4,150. The Tudor Black Bay GMT saves you $1,675 (40% less), a meaningful difference for most buyers. On the secondary market, the gap narrows: the Tudor Black Bay Chrono trades around $4,600 and the Tudor Black Bay GMT around $3,735, a difference of $865 favoring the Tudor Black Bay GMT. Available at 21% below retail and trending downward, this represents a buying opportunity for those comfortable with the current market position. The Tudor Black Bay GMT commands an even stronger 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 Chrono | Tudor Black Bay GMT |
|---|---|---|
| Case Diameter | 41mm | 41mm |
| Case Thickness | 14.4mm | 14.8mm |
| Case Material | Stainless steel | Stainless steel |
| Bezel | Fixed bezel with tachymeter scale in black | Bidirectional rotating bezel with anodized aluminium insert in burgundy and blue |
| Crystal | Sapphire crystal | Sapphire crystal |
| Water Resistance | 200m / 660ft | 200m / 660ft |
| Movement | Tudor Calibre MT5813 | Tudor Calibre MT5652 |
| Movement Type | Automatic chronograph | Automatic |
| Power Reserve | 70 hours | 70 hours |
| Bracelet/Strap | Stainless steel with riveted-style links | Fabric NATO strap in burgundy and blue |
| Clasp | Folding clasp with safety catch | Buckle |
| Lug Width | 22mm | 22mm |
Key specification differences stand out between these two: the Tudor Black Bay Chrono features 14.4mm for case thickness compared to the Tudor Black Bay GMT's 14.8mm. With 3 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 Chrono costs $112 versus $91 for the Tudor Black Bay GMT. 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 Chrono if you value timing functionality. Go with the Tudor Black Bay GMT if you prioritize a lower entry price, better value retention.
Frequently Asked Questions
Which is more affordable, the Tudor Black Bay Chrono or the Tudor Black Bay GMT?
The Tudor Black Bay GMT is more accessible, priced at $4,150 compared to $5,825.
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 Chrono and Tudor Black Bay GMT compare in size?
The Tudor Black Bay Chrono measures 41mm in diameter and 14.4mm thick, while the Tudor Black Bay GMT is 41mm by 14.8mm.
What movements do these watches use?
The Tudor Black Bay Chrono uses the Tudor Calibre MT5813 with 70 hours power reserve, while the Tudor Black Bay GMT runs on the Tudor Calibre MT5652 offering 70 hours of power reserve.