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 Seiko 5 Sports Field series at true scale

Seiko 5 Sports Field series

Timefactors Everest PRS-25 at true scale

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 specs
Category
Sport
Field
Diameter
39.4mm
36mm
Thickness
13.2mm
11.4mm
Lug-to-Lug
48.1mm
43.5mm

Crystal & Dial

4 specs
Crystal
Hardlex
Sapphire
Crystal Shape
Curved
n/a
Dial Color
Black
White
Lume
LumiBrite on hands and index(es)
SuperLuminova Light Old Radium

Movement

3 specs
Caliber
Seiko 4R36
Miyota 9039
Power Reserve
41h
n/a
Jewels
24
0

Pricing

1 specs
MSRP
$315
$463
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Reviews

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Seiko 5 Sports Field series

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.

Timefactors Everest PRS-25

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.

From video reviewers

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.