Rolex Explorer II vs Tudor Black Bay Chrono S&G
Ref. M226570-0001 vs Ref. M79363N-0002
The Rolex Explorer II and Tudor Black Bay Chrono S&G represent one of the most compelling matchups in luxury watches — a sibling rivalry between two brands under the same parent company. With the Rolex Explorer II priced at $10,750 and the Tudor Black Bay Chrono S&G at $7,300, the price gap raises a critical question: does the extra investment in the pricier option deliver proportional value? We break down the specs, market performance, and flip potential to help you decide.
Price Comparison
Rolex
Explorer II
Tudor
Black Bay Chrono S&G
At retail, the Rolex Explorer II is listed at $10,750 while the Tudor Black Bay Chrono S&G comes in at $7,300. The Tudor Black Bay Chrono S&G saves you $3,450 (47% less), a meaningful difference for most buyers. On the secondary market, the gap widens: the Rolex Explorer II trades around $12,500 and the Tudor Black Bay Chrono S&G around $6,935, a difference of $5,565 favoring the Tudor Black Bay Chrono S&G. Trading at 16% above retail and holding steady, this model holds its value well on the pre-owned market. The Tudor Black Bay Chrono S&G shows a more modest market premium of -5.0%, holding steady. For investors, the Rolex Explorer II edges ahead with a flip potential score of 5/10 compared to 3/10.
Specifications
| Specification | Rolex Explorer II | Tudor Black Bay Chrono S&G |
|---|---|---|
| Case Diameter | 42mm | 41mm |
| Case Thickness | 13.0mm | 14.4mm |
| Case Material | Oystersteel | Stainless steel and yellow gold |
| Bezel | Oystersteel, fixed 24-hour graduated bezel | Fixed bezel with tachymeter scale in yellow gold |
| Crystal | Sapphire with Cyclops lens | Sapphire crystal |
| Water Resistance | 100m / 330ft | 200m / 660ft |
| Movement | Rolex calibre 3285 | Tudor Calibre MT5813 |
| Movement Type | Automatic | Automatic chronograph |
| Power Reserve | 70 hours | 70 hours |
| Bracelet/Strap | Oyster, three-piece solid links | Stainless steel and yellow gold with riveted-style links |
| Clasp | Oysterclasp with Easylink 5mm comfort extension | Folding clasp with safety catch |
| Lug Width | 21mm | 22mm |
Key specification differences stand out between these two: The Tudor Black Bay Chrono S&G leads in water resistance (200m / 660ft vs. 100m / 330ft), and the Rolex Explorer II uses Oystersteel while the Tudor Black Bay Chrono S&G opts for Stainless steel and yellow gold. 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 Rolex Explorer II costs $298 versus $169 for the Tudor Black Bay Chrono S&G. For water resistance, the Tudor Black Bay Chrono S&G delivers better value per meter of depth rating. The Tudor Black Bay Chrono S&G offers more power reserve per dollar spent.
Which Should You Buy?
Choose the Rolex Explorer II if you value stronger flip potential, better value retention. Go with the Tudor Black Bay Chrono S&G if you prioritize a lower entry price, timing functionality. For pure investment potential, the Rolex Explorer II has the edge based on current market data.
Frequently Asked Questions
Which is more affordable, the Rolex Explorer II or the Tudor Black Bay Chrono S&G?
The Tudor Black Bay Chrono S&G is more accessible, priced at $7,300 compared to $10,750.
Which watch is a better investment?
Based on current market data, the Rolex Explorer II has a higher flip potential score of 5/10, suggesting stronger investment returns. However, watch values can fluctuate based on market conditions.
Which holds its value better on the secondary market?
The Rolex Explorer II currently trades at 16.3% above retail, indicating strong value retention on the pre-owned market.
How do the Rolex Explorer II and Tudor Black Bay Chrono S&G compare in size?
The Rolex Explorer II measures 42mm in diameter and 13.0mm thick, while the Tudor Black Bay Chrono S&G is 41mm by 14.4mm. Water resistance differs too: 100m / 330ft versus 200m / 660ft.
What movements do these watches use?
The Rolex Explorer II uses the Rolex calibre 3285 with 70 hours power reserve, while the Tudor Black Bay Chrono S&G runs on the Tudor Calibre MT5813 offering 70 hours of power reserve.