Seiko AlpinistvsTimefactors PRS-57
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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.

Alpinist

PRS-57
Diameter
39.5mm
40mm
Lug-to-Lug
46.4mm
46mm
lowest
Thickness
13.2mm
lowest
15mm
Water Resistance
200m
highest
100m
Power Reserve
70h
highest
62h
MSRP
$750
lowest
$1,268
Movement
Seiko 6R35
Sellita SW510
Case
4 specsCrystal & Dial
3 specsMovement
3 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Seiko Alpinist for its value, durability, and unique style, with many appreciating its accuracy and versatile design suitable for vacations. Some owners find the 39.5mm case size perfect for average wrists, while others with smaller wrists consider it large and thick. Opinions are split on the crystal type, with some preferring a domed sapphire and others accepting the Hardlex. The Seiko Alpinist is generally considered a well-built and attractive watch for the money.
Owners widely praise the Timefactors PRS-57's 40mm sizing and sapphire crystal, with one owner finding its lume decent when fully charged, glowing dimly for at least twenty minutes. Some owners find the Smiths logo resembles breasts, and one commenter felt the watch looked too simple. The consensus is that owners rate the Timefactors PRS-57 highly for its comfortable wearability and classic design at the price.
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