Timefactors Everest PRS-25vsTimefactors Speedbird PRS-51

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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.

Timefactors Everest PRS-25 at true scale

Everest PRS-25

Timefactors Speedbird PRS-51 at true scale

Speedbird PRS-51

Diameter

36mm

36mm

Lug-to-Lug

43.5mm

42mm

lowest

Thickness

11.4mm

11.4mm

Water Resistance

100m

100m

MSRP

$463

$436

lowest

Movement

Miyota 9039

Miyota 9015

Case

2 specs
Lug-to-Lug
43.5mm
42mm
Lug Width
20mm
18mm

Crystal & Dial

2 specs
Dial Color
White
Black
Lume
SuperLuminova Light Old Radium
SuperLuminova X1-C3

Movement

1 specs
Caliber
Miyota 9039
Miyota 9015

Pricing

1 specs
MSRP
$463
$436
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Reviews

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

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.

Timefactors Speedbird PRS-51

Owners widely praise the Timefactors Speedbird PRS-51 for its value and classic pilot's watch aesthetic, noting its beautiful AR sapphire crystal and minimalistic dial. The 36mm case is described as wearing thinner than expected, though some find the 5-link bracelet stiff or heavy, while others praise its drape and articulation. Accuracy figures vary, with some reporting impeccable timekeeping and others noting deviations of +7 to +10 seconds per day from the Miyota 9015 movement. Overall, owners rate the Timefactors Speedbird PRS-51 highly for its attractive flieger design and excellent value at its price point.