Tudor Black Bay Ceramic 79210CNU-0001
Ref. 79210CNU-0001 · Black dial · In production
- Case41 mm
- Thick14.4 mm
- Water res.200 m
- MovementAutomatic
- CrystalSapphire
Tudor Black Bay Ceramic 79210CNU-0001 size, specs and price at a glance
The Tudor Black Bay Ceramic 79210CNU-0001 is 41 mm wide and 14.4 mm thick. Tudor does not publish its lug-to-lug length. It takes 22 mm straps and ships on a leather strap. Inside is the MT5602-1U automatic calibre, water resistant to 200 m.
Strap shopping? See our Tudor lug width chart.
Overview
The Tudor 79210CNU-0001 is a diver watch from the Black Bay collection, part of the Black Bay Ceramic family. It has a 41 mm ceramic case, 14.4 mm thick. Tudor lists the dial as black. Inside is an automatic movement (calibre MT5602-1U) with 70 h of power reserve. You also get 200 m water resistance, a sapphire crystal and a leather strap.
Who it suits
- Wrists of roughly 16.4–18.3 cm (6.4–7.2 in), by our Watch Finder sizing guide
- Swimming, snorkelling and diving
- People who enjoy seeing a mechanical movement at work
Strengths
- Sapphire crystal resists scratches
- 200 m water resistance
- Screw-down crown helps keep water out
- 70 h power reserve survives a weekend off the wrist
- Display caseback shows the movement
Trade-offs
- Thick at 14.4 mm: harder to slide under a cuff
- Leather strap is less suited to water than a bracelet or rubber strap
Written by Watch.co from the published specs below. These are not owner reviews.
Full specifications
Case
| Case diameter | 41 mm | tudorwatch.com · 3 Nov 2026 |
|---|---|---|
| Thickness | 14.4 mm | tudorwatch.com · 3 Nov 2026 |
| Lug-to-lug | Not published by Tudor | |
| Case material | Ceramic | tudorwatch.com · 3 Nov 2026 |
| Crystal | Sapphire | tudorwatch.com · 3 Nov 2026 |
| Caseback | Display (see-through) | tudorwatch.com · 3 Nov 2026 |
| Bezel | Unidirectional rotating | tudorwatch.com · 3 Nov 2026 |
| Water resistance | 200 m | tudorwatch.com · 3 Nov 2026 |
| Screw-down crown | Yes | tudorwatch.com · 3 Nov 2026 |
Dial
| Dial colour | Black | tudorwatch.com · 3 Nov 2026 |
|---|
Movement
| Movement type | Automatic | tudorwatch.com · 3 Nov 2026 |
|---|---|---|
| Calibre | MT5602-1U | tudorwatch.com · 3 Nov 2026 |
| Power reserve | 70 h | tudorwatch.com · 3 Nov 2026 |
| Certification | METAS Master Chronometer | tudorwatch.com · 3 Nov 2026 |
Strap / Bracelet
| Bracelet / strap | Leather strap | tudorwatch.com · 3 Nov 2026 |
|---|---|---|
| Lug width | 22 mm | tudorwatch.com · 3 Nov 2026 |
Other
| Production status | In production | tudorwatch.com · 3 Nov 2026 |
|---|---|---|
| Style (our classification) | Diver | our classification |
Specs are summarised in our own words from the brand's product page. Each row links its source and the date we checked it. Fields we haven't verified are left out rather than guessed.
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Questions about the Tudor Black Bay Ceramic 79210CNU-0001
How big is the Tudor Black Bay Ceramic 79210CNU-0001?
The case is 41 mm wide, 14.4 mm thick.
What movement does the Tudor Black Bay Ceramic 79210CNU-0001 use?
It uses the MT5602-1U calibre, a automatic movement with 70 h of power reserve.
Can I swim with the Tudor Black Bay Ceramic 79210CNU-0001?
Yes. It is rated to 200 m.
Will the Tudor Black Bay Ceramic 79210CNU-0001 fit my wrist?
By our sizing guide it sits best on wrists of about 16.4–18.3 cm (6.4–7.2 in). Use the fit checker on this page to test your own wrist.
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