Seiko Essentials 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.

Essentials Chronograph

Tachikoma
Diameter
40mm
41.8mm
Lug-to-Lug
45.8mm
n/a
Thickness
11.5mm
lowest
12.7mm
Water Resistance
100m
100m
MSRP
$415
$320
lowest
Movement
Seiko 8T63
Seiko VK63
Case
4 specsCrystal & Dial
1 specsMovement
1 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Seiko Essentials Chronograph for its beautiful and fun dial, with one noting the green dial and gold hands, and another finding the dark greenish dial less impressive than black. The watch is considered a great first watch, comfortable for active wear due to its lightweight nature, and enjoyable for its chronograph function. One owner reported the orange stripe on a stopwatch button expanded and fell off in heat, while another found the 40mm case wore smaller than expected. The Seiko Essentials Chronograph is considered beautiful for its price, especially on the grey market. On balance, owners rate the Seiko Essentials Chronograph highly for its attractive dial and comfortable wearability at its price point.
The watch is praised for its impressive execution and value at its price point. Its 50-meter water resistance is cited as a potential limitation.
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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