Tudor Black Bay GMT vs Tudor Submariner
Ref. M79830RB-0010 vs Ref. 79090
Comparing the Tudor Submariner to the Tudor Black Bay GMT means weighing a significant price difference — is the premium justified? At $4,150 versus ~$7,000 (market value), these two watches serve different segments of the market. Here's how they stack up on specifications, value retention, and investment potential.
Price Comparison
Tudor
Black Bay GMT
Tudor
Submariner
The Tudor Black Bay GMT is priced at $4,150 while the Tudor Submariner comes in at ~$7,000 (market value). On the secondary market, the gap narrows: the Tudor Black Bay GMT trades around $3,735 and the Tudor Submariner around $7,000, a difference of $3,265 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 Submariner commands an even stronger market premium of +366.7%, with upward momentum. For investors, the Tudor Submariner edges ahead with a flip potential score of 8/10 compared to 2/10.
Specifications
| Specification | Tudor Black Bay GMT | Tudor Submariner |
|---|---|---|
| Case Diameter | 41mm | 40mm |
| Case Thickness | 14.8mm | 12.5mm |
| Case Material | Stainless steel | Stainless steel |
| Bezel | Bidirectional rotating bezel with anodized aluminium insert in burgundy and blue | Unidirectional rotating bezel with aluminum insert in black |
| Crystal | Sapphire crystal | Sapphire crystal |
| Water Resistance | 200m / 660ft | 200m / 660ft |
| Movement | Tudor Calibre MT5652 | ETA 2824-2 |
| Movement Type | Automatic | Automatic |
| Power Reserve | 70 hours | 38 hours |
| Bracelet/Strap | Fabric NATO strap in burgundy and blue | Stainless steel Oyster-style bracelet |
| Clasp | Buckle | Folding clasp with diver extension |
| Lug Width | 22mm | 20mm |
Key specification differences stand out between these two: 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 $175 for the Tudor Submariner. 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 the Tudor heritage. Go with the Tudor Submariner if you prioritize a lower entry price, stronger flip potential, better value retention. For pure investment potential, the Tudor Submariner has the edge based on current market data.
Frequently Asked Questions
Which is more affordable, the Tudor Black Bay GMT or the Tudor Submariner?
The Tudor Black Bay GMT is more accessible, priced at $4,150 compared to ~$7,000 (market value).
Which watch is a better investment?
Based on current market data, the Tudor Submariner has a higher flip potential score of 8/10, suggesting stronger investment returns. However, watch values can fluctuate based on market conditions.
Which holds its value better on the secondary market?
The Tudor Submariner currently trades at 366.7% above retail, indicating strong value retention on the pre-owned market.
How do the Tudor Black Bay GMT and Tudor Submariner compare in size?
The Tudor Black Bay GMT measures 41mm in diameter and 14.8mm thick, while the Tudor Submariner is 40mm by 12.5mm.
What movements do these watches use?
The Tudor Black Bay GMT uses the Tudor Calibre MT5652 with 70 hours power reserve, while the Tudor Submariner runs on the ETA 2824-2 offering 38 hours of power reserve.