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Description
ZF Tudor Heritage Black Bay 41mm M79230R-0012
The industry benchmark for the second-generation Black Bay, balancing reliable mechanics with historically accurate gilt aesthetics.
Powered by Asian 2824-2 Automatic Caliber
While the genuine reference utilizes the in-house MT5602, the ZF factory wisely opts for the proven Asian 2824-2 automatic movement. This architectural choice prioritizes long-term reliability and ease of servicing by local watchmakers over closed-caseback aesthetics. Beating at 28,800 vibrations per hour, the sweep of the seconds hand remains incredibly smooth, ensuring the movement meets before dispatch.
Standard clone base movements typically achieve ±10–15 s/day straight from the factory, though this workhorse caliber can easily be regulated to tighter tolerances by a professional.
- ✅ Power Reserve: Approximately 36 hours
- ✅ Complications: Central hours, minutes, and sweeping seconds
- ✅ Winding Direction: Bidirectional rotor winding
Technical Specifications
Precisely machined to 41mm in diameter and 15.0mm thick, featuring correct chamfering on the lugs. The Big Crown is detailed with the historic rose engraving and a matching red anodized aluminum tube.
Features accurate domed curvature complementing the sapphire crystal. The rose gold-tone gilt printing is appropriately deep, perfectly matching the applied markers and signature snowflake hands.
The matte burgundy insert faithfully recreates the vintage warmth of the original, housed in a coin-edge steel bezel with crisp, authoritative unidirectional clicks.
Constructed with the historically inspired stepped link profile and faux rivet heads. The 22mm solid end links fit tightly against the case, secured by a sturdy folding safety clasp.
Why ZF for This Reference?
Many collectors ask: “Why not other competing factories?”
While other manufacturers produce acceptable entry-level Tudor replicas, ZF remains the undisputed benchmark for the Heritage Black Bay 41mm. The ZF burgundy anodized aluminum insert perfectly captures the muted, warm vintage red of the genuine piece, whereas competitors often suffer from an overly saturated, artificial cherry tone. Additionally, ZF’s domed dial curvature and gilt printing depth are noticeably closer to genuine specifications.
Full Disclosure: Due to the use of an Asian 2824 base movement in a no-date configuration, the crown features an intermediate ‘ghost date’ position when setting the time.
LIVE PREVIEW
Data Sheet
| MODEL REFERENCE | M79230R-0012 |
| FACTORY / VERSION | ZF Edition |
| MOVEMENT | Asian 2824-2 Automatic Caliber |
| CASE MATERIAL | 316L Stainless Steel |
| WEIGHT & THICKNESS | 177g | 15.0mm |
| CRYSTAL & LUME | Domed Sapphire | High-Performance Luminous Material |
| DIMENSIONS | 41mm × 50mm × 15.0mmManual measurements — minor tolerances apply. |
| WATER RESISTANCE | 30m stated rating — professional pressure test recommended before swimming |
Collector Q&A
Q: Does the ZF Tudor M79230R feature the correct shield logo and rivet bracelet?
A: Yes, this specific reference replicates the second-generation Black Bay, which transitioned from the vintage rose logo to the modern shield logo at 12 o’clock and introduced the stepped rivet bracelet.
Q: Is the burgundy bezel insert made of ceramic or aluminum?
A: The ZF edition accurately utilizes a matte burgundy anodized aluminum insert, mirroring the historical materials of the genuine 1950s dive watches rather than modern high-gloss ceramic.
Q: Can the rivet bracelet be swapped for aftermarket straps?
A: Yes, the case features a standard 22mm lug width, allowing seamless integration with NATO, leather, or rubber straps designed for that dimension.
Q: Is there a ghost date position on the crown?
A: Yes. Because the ZF version utilizes a highly reliable Asian 2824-2 base movement behind a no-date dial, the crown has an intermediate position that does not engage any visible complication.
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