Rolex Oyster Perpetual 36 vs Tudor Black Bay Chrono S&G
Ref. M126000-0015 vs Ref. M79363N-0001
The Rolex Oyster Perpetual 36 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 Oyster Perpetual 36 priced at $6,550 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
Oyster Perpetual 36
Tudor
Black Bay Chrono S&G
At retail, the Rolex Oyster Perpetual 36 is listed at $6,550 while the Tudor Black Bay Chrono S&G comes in at $7,300. The Rolex Oyster Perpetual 36 saves you $750 (11% less), a meaningful difference for most buyers. On the secondary market, the gap widens: the Rolex Oyster Perpetual 36 trades around $5,895 and the Tudor Black Bay Chrono S&G around $6,935, a difference of $1,040 favoring the Rolex Oyster Perpetual 36. Available at 10% below retail and holding steady, this represents a buying opportunity for those comfortable with the current market position. The Tudor Black Bay Chrono S&G commands an even stronger market premium of -5.0%, holding steady. Both watches score equally on flip potential at 3/10, making neither a clear investment winner over the other.
Specifications
| Specification | Rolex Oyster Perpetual 36 | Tudor Black Bay Chrono S&G |
|---|---|---|
| Case Diameter | 36mm | 41mm |
| Case Thickness | 11.4mm | 14.4mm |
| Case Material | Oystersteel | Stainless steel and yellow gold |
| Bezel | Oystersteel, smooth | Fixed bezel with tachymeter scale in yellow gold |
| Crystal | Sapphire | Sapphire crystal |
| Water Resistance | 100m / 330ft | 200m / 660ft |
| Movement | Rolex calibre 3230 | 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 | 20mm | 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 Oyster Perpetual 36 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 Oyster Perpetual 36 costs $164 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 Rolex Oyster Perpetual 36 offers more power reserve per dollar spent.
Which Should You Buy?
Choose the Rolex Oyster Perpetual 36 if you value a lower entry price. Go with the Tudor Black Bay Chrono S&G if you prioritize better value retention, timing functionality.
Frequently Asked Questions
Which is more affordable, the Rolex Oyster Perpetual 36 or the Tudor Black Bay Chrono S&G?
The Rolex Oyster Perpetual 36 is more accessible, priced at $6,550 compared to $7,300.
Which holds its value better on the secondary market?
The Tudor Black Bay Chrono S&G currently trades at 5.0% below retail, indicating moderate value retention on the pre-owned market.
How do the Rolex Oyster Perpetual 36 and Tudor Black Bay Chrono S&G compare in size?
The Rolex Oyster Perpetual 36 measures 36mm in diameter and 11.4mm 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 Oyster Perpetual 36 uses the Rolex calibre 3230 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.