The ZF factory version shows exquisite craftsmanship when viewed from the front, with sharp angles and a combination of mirror polishing and brushed satin finishes that rival the original. The outer bezel has a very nice reflective quality, and the overall weight of the watch is very well balanced. The iconic Tudor shield logo and the English text are created using a multi-layer printing technique, with 3D raised lettering. This process, while sounding simple, has a very low success rate, as the printing must be perfectly aligned and clear. The result is a logo with slightly raised letters, which adds to the watch’s exquisite detail. The striking red inscription, indicating the watch’s maximum water resistance, further highlights the classic Tudor dive watch design. The simple date window at the 3 o’clock position caters to users who appreciate practicality,

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The ZF Tudor Black Bay Series M79730-0001 features a rounded, arch-shaped sapphire crystal, just like the original, with both inner and outer layers of anti-reflective coating. At certain angles, the glass appears almost invisible, giving the watch an excepti

The side polishing deserves special praise, as it is done with great precision. Measurements taken with a caliper show that the case thickness is identical to the original, both at 14.8mm.

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The area where the strap connects to the case is often overlooked by many manufacturers due to its less prominent location, but ZF has paid special attention to this detail. Whether it’s the curvature of the lugs or the polishing and finishing of the connection area, ZF has done a superb job, proving themselves as a top-tier replica maker.

The crown, made of the same stainless steel as the case, uses a screw-down design. The tube underneath complements the timing bezel, while the crown features the iconic Tudor rose logo in black enamel. The precision in the shape, size, and lines of the rose highlights the fine engraving craftsmanship of the ZF factory.

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The Tudor Black Bay M79730 features a solid case back with a screw-down design for superior water resistance, ensuring safety during dives. The back is decorated with single-direction brushed finishes and a triangular toothed pattern. The ZF version replicates the original's triangular teeth and engraved text with remarkable precision. The size and gaps between the teeth are perfectly consistent, making it flawless.

The crown’s stem is slightly longer than the original, but this does not affect functionality.

The inner case back uses a spiral-brushed texture, which is finely detailed and glossy. Even in areas that are not visible, such as the engraving of letters and numbers, ZF has ensured the craftsmanship matches the original.

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While the original is powered by the MT5612 automatic movement, the ZF version uses the Chinese-made Seagull 2824 movement, which is known for its accuracy and stability. The ZF version even replicates the bevel angle on the lugs, just like the original, which is a highly commendable detail.

The clasp is the classic Tudor folding clasp with a safety latch, just like the original. The safety latch is engraved with the Tudor logo, and the curvature of the latch and the engraved serial numbers inside are identical to the original. The overall quality is outstanding, and the watch is interchangeable with the original, offering the same excellent feel and functionality.