Smiths PRS-40 ChronographvsUndone Tachikoma
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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.

PRS-40 Chronograph

Tachikoma
Diameter
40.2mm
41.8mm
Lug-to-Lug
53.5mm
n/a
Thickness
12.3mm
lowest
12.7mm
Water Resistance
100m
100m
MSRP
n/a
$320
Movement
Seiko VK61
Seiko VK63
Case
4 specsCrystal & Dial
2 specsMovement
3 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners praise the Smiths PRS-40 CHRONOGRAPH's bead-blasted finish, noting it shows light marks from use but no deep scratches, and appreciate its sapphire crystal. Some find it wears thinner than automatic variants, while others note it wears large. The watch is described as having unique, "badass" looks, with one owner calling it "ugly" but appreciating its "bombproof nature" for harsh environments and its 12 o'clock crown. The purchase process is noted as tricky due to limited availability. On balance, owners rate the Smiths PRS-40 CHRONOGRAPH highly for its robust, utilitarian design and bead-blasted finish, making it a compelling tool watch.
Owners widely report the Undone Tachikoma is a great purchase at its price point. However, some commenters feel the design lacks detailed anime references and find the price too high for an IP collaboration without a recognized watch brand. Overall, owners rate the Undone Tachikoma highly for its value, though opinions are split on its visual connection to the anime.
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