Depancel Jürgen ClaussvsTimefactors Speedbird PRS-51
The measurements
Sized up.
Catalogue photos are all shot at the same flattering size. These aren't: every case below shares one millimetre scale.

Jürgen Clauss

Speedbird PRS-51
Diameter
43mm
36mm
Lug-to-Lug
48.5mm
42mm
lowest
Thickness
15.4mm
11.4mm
lowest
Water Resistance
100m
100m
Power Reserve
48h
n/a
MSRP
$750
$436
lowest
Movement
Valjoux 7753
Miyota 9015
Case
5 specsCrystal & Dial
2 specsMovement
2 specsPricing
1 specsWhat people say
Owners + reviewers, side by side.
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
The Depancel Jürgen Clauss is widely praised for its racing-inspired design, featuring a blue sunburst dial and a blue and light green color combination, with some owners appreciating the patriotic French flag detail. The watch is considered to offer significant value, with a refurbished Valjoux 7753 movement, though its 43mm case size is noted as being large and potentially hefty for some wrists. One reviewer describes the finishing as a touch industrial, while another expects it to be beautifully made. Overall, owners and reviewers rate the Depancel Jürgen Clauss highly for its distinctive aesthetic and strong value proposition at its price point.
Owners widely praise the Timefactors Speedbird PRS-51 for its flieger design, AR sapphire crystal, and value at £200. The 36mm case is noted to wear closer to 37mm due to the dial size, and while one owner describes the 5-link bracelet as well-built but stiff, another praises its drape and articulation. Accuracy figures vary among owners, with one reporting +7 seconds per day and another around +10 seconds per day, though one owner states theirs keeps impeccable time. The Miyota 9015 movement is noted by one owner to exhibit noticeable rotor wobble. Overall, owners rate the Timefactors Speedbird PRS-51 highly for its pilot watch aesthetics and value.
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