Seiko Seiko 5 Sports SKX seriesvsTimefactors PRS-44
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Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Seiko 5 Sports SKX series

PRS-44
Diameter
38mm
42mm
Lug-to-Lug
44.2mm
lowest
50mm
Thickness
12.1mm
lowest
13mm
Water Resistance
100m
300m
highest
Power Reserve
41h
n/a
MSRP
$350
lowest
$705
Movement
Seiko 4R36
ETA 2824-2
Case
5 specsCrystal & Dial
3 specsMovement
3 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
The Seiko 5 Sports SKX series is widely praised as an excellent value gateway watch, with owners and reviewers highlighting its solid build and powerful lume. The 22mm bracelet is noted for its comfort, and the watch offers numerous style options. Some owners find the original SKX models heavy and bulky, while others appreciate their ruggedness and iconic dive watch design. The Seiko 5 Sports SKX series offers an upgraded movement with hacking and hand-winding, and standard spring bars for easier strap changes. However, it lacks the screw-down crown and ISO certification of the original SKX, leading some to consider it less of a tool watch. On balance, owners and reviewers rate the Seiko 5 Sports SKX series highly for its value and modern features, despite some preferring the tool watch capabilities of its predecessor.
Owners widely praise the Timefactors PRS for its machining and design, with many finding its 40mm sizing and short lug-to-lug distance wear well. Some owners report the lume fades faster than expected. The purchase process can be difficult due to limited availability. Overall, owners rate the Timefactors PRS highly for its machining and wearability at the price point.
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