# Tudor Black Bay Pro GMT 39mm ZF Black Dial Steel Bracelet

- **Canonical URL:** https://swissclone.com/product/zf-black-bay-gmt-pro-39mm-black-dial-on/
- **SKU:** SW-23426
- **Price:** $920 USD
- **Availability:** InStock (48h Digital Timegrapher Video QC Included)
- **Primary Macro Image:** https://swissclone.com/wp-content/uploads/2026/09/tudor-zf-black-bay-gmt-pro-39mm-black-dial-on-zf-factory-1-1-super-clone.webp

Most buyers can spot a low-tier copy from across a table by its thick bezel lip and jerky 21,600 vph seconds hand. The Tudor Black Bay Pro GMT 39mm ZF Black Dial Steel Bracelet by ZF Factory solves both: it runs the high-beat Dandong DD3285 True GMT with Independent Hour Hand (70-Hour Reserve (28,800 vph)) inside a slim 39MM × 12.1mm (Bi-directional 24-Hour Bezel) housing milled from Solid 904L Oystersteel (Satin & Mirror Finished).



### Calibre Stability, Power Reserve & Case Finishing


From the font weight on the dial transfer printing to the micro-engraved clasp interior, every component is built to 1:1 tolerances. The sapphire crystal sits flush with the bezel ring and features internal anti-reflective treatment for zero-glare viewing.



### Direct Atelier Sourcing & Buyer Protection


We never ship blind from a warehouse shelf. Within 48 hours of ordering the Tudor Black Bay Pro GMT 39mm ZF Black Dial Steel Bracelet (Ref. SW-23426), our watchmakers film your watch running live on the timegrapher and pressure tester so you can verify dial alignment, amplitude, and beat error firsthand. Once approved, it dispatches via customs-cleared express courier with a 3-year mechanical warranty.