Seiko Seiko 5 Sports Field seriesvsTimefactors Everest PRS-25
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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 Field series

Everest PRS-25
Diameter
39.4mm
36mm
Lug-to-Lug
48.1mm
43.5mm
lowest
Thickness
13.2mm
11.4mm
lowest
Water Resistance
100m
100m
Power Reserve
41h
n/a
MSRP
$315
lowest
$463
Movement
Seiko 4R36
Miyota 9039
Case
4 specsCrystal & Dial
4 specsMovement
3 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
The Seiko 5 Sports Field series is praised for its excellent legibility, featuring fully lumed Arabic numerals and a lumed pearl on the compass bezel. Reviewers note the reliable 4R36 movement and 10 bar water resistance, with some considering the watches good value under 500 euros. The GMT variants, specifically the SSK023 and SSK025, offer an accessible explorer watch with a GMT complication and a fixed 24-hour bezel. Overall, owners and reviewers rate the Seiko 5 Sports Field series highly for its legibility and value proposition.
Owners widely praise the Timefactors Everest PRS-25 for its gorgeous design, flawless finishing, and comfortable 36mm wearability, often calling it the best Rolex Explorer 1016 homage available. The Miyota 9039 movement is noted as an improvement, and the updated riveted bracelet is generally well-received. Accuracy figures vary, with some owners reporting excellent timekeeping around +1 second per day, while others note deviations of +8 to +10 seconds per day. Some owners find the bracelet heavy and difficult to fit perfectly, and a few have experienced issues with the clasp popping open or the crystal detaching, alongside reports of challenging purchasing experiences and negative customer service. Overall, owners rate the Timefactors Everest PRS-25 highly for its exceptional value and faithful homage design, making the difficult purchase experience ultimately worthwhile.
The Miyota 9039 movement demonstrated impressive accuracy. Reviewers noted the comfortable 36mm case size and vintage aesthetic. One reviewer experienced quality issues after a year of ownership.
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