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If you’re choosing between these current 36 mm steel watches, the TUDOR Black Bay One 36 costs less on the official US pages cited here, while the Rolex Oyster Perpetual 36 offers a different design and Rolex’s stated Superlative Chronometer certification. Both are listed with 100 m water resistance and approximately 70 hours of power reserve. Choose based on which design and clasp you prefer, and whether the Rolex’s higher listed price is worth it to you.
Price and specifications at a glance
The comparison below is between the Rolex Oyster Perpetual 36 reference 126000 and the TUDOR Black Bay One 36 reference M79640-0001. Prices are those shown on the manufacturers’ US pages accessed on October 12, 2026; they are not street-price or availability claims.
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| Specification | Rolex Oyster Perpetual 36 | TUDOR Black Bay One 36 |
|---|---|---|
| Reference | 126000 | M79640-0001 |
| US page price | $6,750 | $4,725 suggested retail price |
| Case | 36 mm Oystersteel | 36 mm steel; 10.5 mm thick; 19 mm lug width |
| Water resistance | 100 m / 330 ft | 100 m / 330 ft |
| Movement | Manufacture calibre 3230, self-winding | Manufacture calibre MT5400, self-winding; COSC-certified |
| Power reserve | Approximately 70 hours | Approximately 70 hours |
| Published accuracy or certification | Superlative Chronometer; −2/+2 seconds per day after casing | COSC certification for the movement |
| Bracelet and clasp | Oyster bracelet with Oysterclasp and Easylink 5 mm comfort extension | Steel bracelet with T-fit folding clasp and safety catch |
| Guarantee stated on cited page | Not stated on the cited page | Five-year transferable guarantee; no registration or periodic maintenance checks required |
| Dial on cited reference page | Silver | Anthracite |
How much more does the Rolex cost?
The cited US page prices differ by $2,025: $6,750 for the Rolex and $4,725 for the TUDOR. That is arithmetic based on the two listed prices, not a separate published statistic. It does not establish what either watch will sell for at a retailer or on the secondary market.
If you want to keep the purchase price lower, the TUDOR is the clear choice on these page prices. If you prefer the Rolex’s design and dial options, the additional listed cost is a preference-based decision; the available figures do not prove that one watch is a better value for every buyer.
#1 Best Overall
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What the movement claims do—and do not—tell you
Rolex states that the Oyster Perpetual 36 is a Superlative Chronometer and gives an accuracy figure of −2/+2 seconds per day after casing. TUDOR identifies the Black Bay One 36’s MT5400 as COSC-certified. These are not identically framed claims: Rolex supplies an after-casing precision figure, while TUDOR’s cited page identifies movement certification. They should not be treated as the results of a head-to-head independent accuracy test.
Both manufacturers list approximately 70 hours of power reserve, so neither has an advantage on that specification as presented on the cited pages.
Rank #2
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Clasp and everyday adjustment
The Rolex uses an Oysterclasp with an Easylink 5 mm comfort extension. TUDOR specifies a T-fit folding clasp and safety catch. Those details give you a concrete point to inspect when trying each watch on, but the cited specifications do not establish which clasp feels more comfortable on a particular wrist.
Dial choice and exact configuration
The cited Rolex reference page shows a silver dial, while the cited TUDOR reference page shows anthracite. Rolex’s current collection page lists several 36 mm dial variants and highlights a multicoloured lacquer Jubilee-motif dial in its 2026 lineup. Confirm the exact reference and configuration you are considering; dial and price can depend on the specific model listed.
Rank #3
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- What You Get: Anker USB-C Hub (7-in-1), welcome guide, 18-month warranty, and our friendly customer service.
Sources: Rolex Oyster Perpetual 36 reference page, Rolex Oyster Perpetual collection, Rolex 2026 new watches, and TUDOR Black Bay One 36 reference page.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Which one should you buy?
Choose the TUDOR Black Bay One 36 if
- The lower price shown on TUDOR’s US page is a priority.
- You prefer the T-fit folding clasp and safety catch.
- The anthracite configuration and its listed specifications suit what you want.
Choose the Rolex Oyster Perpetual 36 if
- You prefer its design or one of the dial options available in the current collection.
- Rolex’s stated Superlative Chronometer status and after-casing precision figure matter to you.
- You value the Oysterclasp’s Easylink 5 mm extension.
Before buying, confirm the exact reference, dial, current price, stock, and guarantee terms with an official retailer. The cited manufacturer pages do not establish wrist feel, comparative long-term durability, service costs, resale value, secondary-market premiums, or real-world street prices.
Quick Recap
Best Value
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- Powerful Pass-Through Charging: Supports up to 85W pass-through charging so you can power up your laptop while you use the hub. Note: Pass-through charging requires a charger (not included). Note: To achieve full power for iPad, we recommend using a 45W wall charger.
- Transfer Files in Seconds: Move files to and from your laptop at speeds of up to 5 Gbps via the USB-C and USB-A data ports. Note: The USB C 5Gbps Data port does not support video output.
- HD Display: Connect to the HDMI port to stream or mirror content to an external monitor in resolutions of up to 4K@30Hz. Note: The USB-C ports do not support video output.
- What You Get: Anker 332 USB-C Hub (5-in-1), welcome guide, our worry-free 18-month warranty, and friendly customer service.
Rank #4
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Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
