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Swipe to turn · tap to open zoomTudor Black Bay Steel Black Dial 79030N 39mm
List price struck through — this holding, at this figure, while it lasts. Checkout locks the price you see.
Insured worldwide delivery included · pay by crypto at checkout
The movement inside This reference is built with either calibre. The choice changes the price, the rate and the reserve — nothing else about the watch.
| Base | Seiko NH35 or Miyota 8215, automatic | Swiss clone of the maison's own calibre |
|---|---|---|
| Rate | ±15 to 25 seconds a day | ±5 to 10 seconds a day |
| Reserve | About 40 hours | 55 to 70 hours |
| Balance | 21,600 A/h · six beats a second | 28,800 A/h · eight beats a second |
| Servicing | Any watchmaker can service it; parts are everywhere | Serviced by a specialist; finished as the original is |
| Suited to | Wearing daily, keeping simply, spending less | Matching the reference exactly, and glass casebacks |
The Swiss movement is $50 more. That figure buys the rate, the reserve and a movement that reads correctly through a glass back — not a different watch.
Which we would take. If it is to be worn every day and serviced down the road from you, the Japanese is the honest answer. If it has to survive a loupe against the reference — or the caseback is glass and the movement is meant to be seen — take the Swiss.
The exact base calibre for this reference is confirmed in writing, with the QC film, before anything is dispatched. The two movements, explained
- Ships from the USA
- QC film before ship
- 2-year warranty · insured express
Add to cart, enter your ship-to details, then pay with crypto — or message the desk. Either way you get a QC film of this piece: reply GL to ship or RL for another. Japanese +$50 · Swiss +$100.
Before you decide: how we inspect · Swiss or Japanese · what 1:1 means · FAQ
Description
Best of the Year: The Tudor Black Bay Collection M79030N-0001 Watch. Featuring a red triangle dial, gold hour markers, and a small size, this watch cleverly blends the brand's traditional aesthetics with contemporary watchmaking craftsmanship, exuding a captivating vintage charm. [Case] The watch measures 39mm x 11.9mm. ZF has precisely replicated the thinner, more delicate case, reducing the lug spacing to 20mm, just like the original, resulting in a perfectly proportioned design that fits slender wrists. The exquisitely crafted case features beveled edges polished by ZF watchmakers, ensuring a smooth feel and perfectly capturing the rugged vintage style of the original. [Strap] The strap is made of stainless steel with rivets, mirroring the original design. It combines comfort and vintage elegance. The finely polished strap uses solid links, with rivet heads connecting the links on both sides, creating a unique stepped structure. The rounded edges and clasp of the strap ensure a smooth and comfortable fit. 【Movement】Utilizes the high-performance Seagull 2824 automatic top-rotation movement, with functions 100% identical to the genuine product. Produced by ZF, a fine piece! The best evening gadget of the year, waiting for you to experience!
Specifications
| Reference | 79030N |
| Maison | Tudor |
| Case size | 39 MM |
| Dial | Black |
| Grade | Premium Grade |
| Warranty | Two years, mechanical defects |
| Dispatch | 1–2 business days after QC approval |
Any term in this table can be looked up — beat rate, lug-to-lug, amplitude, power reserve — in the glossary.
What you see on the QC film
Macro stills and short film of your exact watch — dial print and lume, case flanks, bezel action, clasp stampings, crown threads, and the movement running. Nothing ships until you reply GL. RL means we swap or adjust first. See how ordering works.
Shipping & delivery
After GL: 1–2 business days to prep, then insured express (DHL, UPS or EMS) another 5–10. Tracking is e-mailed the moment the piece leaves. Packaging is double-boxed and discreet.
Warranty & returns
Two-year warranty against mechanical defects. Unworn pieces may be returned within 14 days or exchanged within 30, protective seals intact. Full terms.
Off the sweep
Tudor Black Bay Steel Black Dial 79030N 39mm
Not a studio frame. The same piece, in the room it was photographed in, with nothing tidied out of the way.
As it arrives
Tudor Black Bay Steel Black Dial 79030N 39mm
Kept unretouched: what is in this photograph is what goes into the parcel.
From the bench
Tudor Black Bay Steel Black Dial 79030N 39mm
One of our own frames rather than a catalogue picture — included because it shows what a white background hides.
Off the sweep
Tudor Black Bay Steel Black Dial 79030N 39mm
Not a studio frame. The same piece, in the room it was photographed in, with nothing tidied out of the way.
As it arrives
Tudor Black Bay Steel Black Dial 79030N 39mm
Kept unretouched: what is in this photograph is what goes into the parcel.
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