Signum Sollus ChronovsUndone 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.

Sollus Chrono

Tachikoma
Diameter
42.5mm
41.8mm
Lug-to-Lug
48mm
n/a
Thickness
12mm
lowest
12.7mm
Water Resistance
100m
100m
MSRP
$299
lowest
$320
Movement
Seiko VK63
Seiko VK63
Case
4 specsMovement
1 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
The Signum Sollus Chrono is praised for its attractive design and unique caseback striping, with owners finding it a beautiful and well-crafted watch for everyday wear. It is available for $339 with seven dial options, and has been seen with a 40% discount plus delivery fees. One owner expressed hesitation about its perceived large wearability, despite a 46mm lug-to-lug distance. Overall, owners find the Signum Sollus Chrono to be a good-looking and unique watch, appreciated for its heritage and craftsmanship at its price point.
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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