BOLDR Supply Co. Expedition I KarakumvsChronotechna NanoBlack
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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.
Expedition I Karakum
NanoBlack
Diameter
41mm
42mm
Lug-to-Lug
46mm
lowest
47.9mm
Thickness
14mm
11.7mm
lowest
Water Resistance
200m
highest
100m
Power Reserve
n/a
38h
MSRP
$699
n/a
Movement
Sellita SW200-1
Sellita SW200-1
Case
5 specsCrystal & Dial
1 specsMovement
1 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
The BOLDR Supply Co. Expedition I Karakum is praised for its cool appearance and excellent legibility, day and night, with reviewers noting its understated, classic case design and rugged construction. Its 41mm case is described as balanced and wearing well, and the Sellita SW200-1 movement kept accurate time during testing. One owner found the special edition to be poor value, citing bad packaging, a poor band, sharp edges, a gritty crown, and messy dial printing. Overall, owners and reviewers rate the BOLDR Supply Co. Expedition I Karakum highly for its legibility and balanced case design at its price point.
The Chronotechna NanoBlack is noted for its pigment issues, with over 50% of the NanoBlack and VantaBlack pigments being rejected and requiring dial recalls and repainting. On balance, the Chronotechna NanoBlack is not rated well due to significant pigment and dial issues.
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