What are you looking for?
Search
这是附加信息
Description
ZF Tudor Black Bay 58 GMT Coke 39mm
A masterclass in proportion, the ZF BB58 GMT finally brings accurate vintage travel functionality to a wearable 12.4mm profile.
Powered by Asian Clone Automatic GMT
The heart of this piece is a modified Asian clone GMT caliber, engineered to replicate the functionality of the genuine Tudor MT5450-U. It supports an independently set 24-hour hand, allowing for rapid time zone adjustments without stopping the balance wheel. The regulation mechanism ensures stable amplitude across various wearing conditions. Before dispatch, all movements undergo to verify beat rate, amplitude health, and complication engagement.
Standard clone base movements in this configuration typically run at ±10–15 seconds per day, depending on resting position and mainspring tension.
- ✅ Power Reserve: Approximately 36 hours
- ✅ Complications: True GMT functionality, central hours, minutes, and sweeping seconds
- ✅ Winding Direction: Bidirectional
Technical Specifications
Milled to a precise 39mm diameter and 12.4mm thickness, matching the highly anticipated slimmer case profile of the genuine article. Features accurate beveling on the lugs.
Features vintage gilt (gold-tone) chapter ring and indices. The iconic Snowflake hands and luminous-tipped GMT hand exhibit even lume application and sharp edge finishing.
Bidirectional 24-click mechanism featuring the coveted black and burgundy Coke colorway. The gilt 24-hour numerals are deeply applied, avoiding the flat printed look of inferior clones.
Accurately replicates the 1950s stepped rivet link design with alternating brushed and polished finishes. Features solid end links and a secure folding clasp.
Why ZF for This Reference?
Many collectors ask: Why not TW Factory or other market alternatives?
ZF remains the undisputed leader for the Black Bay 58 line due to their proprietary case construction that accurately achieves the 12.4mm thickness of the genuine article, whereas lesser factories rely on thicker, off-the-shelf GMT cases. The anodized aluminum bezel insert also captures the correct muted burgundy tone, avoiding the overly saturated, bright reds found in early prototype clones.
Full Disclosure: The bidirectional bezel action, while secure and visually accurate, can exhibit slightly more back-play than the ultra-crisp tolerances of the retail Tudor mechanism.
LIVE PREVIEW
Data Sheet
| MODEL REFERENCE | m7939g1a0nru-0001 |
| FACTORY / VERSION | ZF Edition |
| MOVEMENT | Asian Clone Automatic GMT |
| CASE MATERIAL | 316L Stainless Steel |
| WEIGHT & THICKNESS | 150g | 12.4mm |
| CRYSTAL & LUME | Domed Sapphire | Super-LumiNova |
| DIMENSIONS | 39mm × 47.8mm × 12.4mmManual measurements — minor tolerances apply. |
| WATER RESISTANCE | 30m stated rating — professional pressure test recommended before swimming |
Collector Q&A
Q: Does the GMT hand function independently like the genuine Tudor MT5450-U?
A: Yes, the modified clone movement features an independently adjustable GMT hand for tracking a second time zone, operating smoothly via the crown.
Q: Is the case thickness accurate to the genuine Black Bay 58 GMT?
A: Yes. ZF has successfully engineered the case to measure exactly 12.4mm thick, eliminating the bulky profile historically seen in 41mm Black Bay GMT replicas.
Q: Are the rivets on the bracelet structural or cosmetic?
A: Like the genuine Tudor bracelet, the visible rivet heads on the outer links are cosmetic, paying homage to 1950s designs, while the links themselves are secured with standard removable pins for easy sizing.
Q: What is a known technical quirk of this specific ZF release?
A: While the bezel insert colors are highly accurate, the bidirectional 24-click bezel mechanism can exhibit a slight amount of back-play compared to the ultra-crisp tolerances of the retail Tudor piece.
You have successfully commented, please wait for review
Copied Successfully
You can enjoy up to 1 free gift!
