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Description
ZF Factory Tudor Black Bay Pro M79470-0001
An uncompromising recreation of the modern explorer’s tool watch, featuring industry-leading monobloc ceramic lume plots and true jumping-hour GMT functionality.
Powered by Asian Custom Automatic GMT
The engine inside this ZF replica is an Asian custom automatic GMT mechanical movement engineered to replicate the operational logic of the genuine Tudor MT5652. Notably, it acts as a true traveler’s GMT, meaning the local hour hand is adjusted in one-hour jumps via the crown, which simultaneously drives the date wheel forward or backward. This complex linkage is a critical requirement for horological purists. All movements pass through to ensure the jumping hour mechanism engages crisply without disturbing the minute train.
Regulated to approximately ±10–15 seconds per day. The beat rate is consistent, though the complex GMT date-linkage module requires careful handling when setting to avoid undue stress on the keyless works.
- ✅ Power Reserve: Approximately 36 hours
- ✅ Complications: Central hours, minutes, seconds, independent jumping local hour hand, 24-hour GMT hand, date display at 3 o’clock
- ✅ Winding Direction: Bidirectional automatic winding
Technical Specifications
Measuring exactly 39mm in diameter with a substantial 14.6mm thickness, mirroring the genuine’s proportions. The case features polished flanks and brushed top lugs, complete with the oversized crown and accurately knurled grip.
Features 1:1 replicated monobloc ceramic luminous hour markers with no metal surrounds, displaying a slightly warm, vintage yellow tone. The GMT hand is accurately color-matched to a muted, matte yellow.
A 24-hour fixed steel bezel finished with a heavy radial circular brush (satin finish). The deeply engraved numerals are filled with black enamel-style oil, providing intense mechanical contrast.
Accurately recreates Tudor’s vintage-inspired stepped rivet structure on the outer links. The 20mm lug width tapers down to a robust safety folding clasp with precise locking tolerances.
Why ZF Factory for This Reference?
Many collectors ask: “Why not generic or lesser-known factories?”
ZF is the undisputed market leader for Tudor replicas. For the Black Bay Pro specifically, lower-tier factories fail on two critical details: they use flat printed lume or metal-rimmed markers instead of the solid 3D ceramic blocks, and they paint the GMT hand a bright, neon yellow. ZF correctly engineered the monobloc ceramic plots and mixed the exact muted, matte yellow required for a true 1:1 dial reproduction.
Full Disclosure: The Asian custom GMT movement’s rotor can be slightly more audible during rapid wrist movements compared to the genuine Kenissi caliber, and the 14.6mm case thickness makes it quite top-heavy on wrists under 6.5 inches.
Data Sheet
| MODEL REFERENCE | M79470-0001 |
| FACTORY / VERSION | ZF Factory Edition |
| MOVEMENT | Asian Custom Automatic GMT |
| CASE MATERIAL | 316L Stainless Steel |
| WEIGHT & THICKNESS | 160g | 14.6 mm |
| CRYSTAL & LUME | Domed Sapphire Crystal | Super-LumiNova® (Green/Blue) |
| DIMENSIONS | 39 mm × 20 mm (lug width) × 14.6 mmManual measurements — minor tolerances apply. |
| WATER RESISTANCE | 50m Daily Life Waterproof — professional pressure test recommended before swimming |
Collector Q&A
Q: Is the GMT hand independently adjustable like the genuine MT5652?
A: Yes, this Asian custom GMT movement features a jumping local hour hand which is used to set the date forward and backward, operating identically to the genuine ‘traveler’s GMT’ caliber.
Q: Are the hour markers metal-rimmed or solid ceramic on the ZF?
A: ZF has successfully replicated the genuine’s monobloc ceramic luminous markers. They have no metal surrounds and exhibit the correct 3D thickness and warm, slightly yellow matte tone.
Q: Does the case thickness match the authentic Black Bay Pro?
A: Yes, the case is approximately 14.6mm thick. ZF replicated the genuine case profile exactly, which is notoriously thick due to the stacked GMT movement architecture.
Q: Is there any noticeable rotor noise on this movement?
A: As with many Asian custom automatic calibers, the rotor can be slightly more audible than the genuine Tudor movement during rapid wrist movements. A standard movement service and light rotor silencing can completely resolve this.
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