Chronotechna NanoBlackvsStewart Dawson Darkest Hour
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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.

NanoBlack

Darkest Hour
Diameter
42mm
39mm
Lug-to-Lug
47.9mm
lowest
50mm
Thickness
11.7mm
lowest
13mm
Water Resistance
100m
100m
Power Reserve
38h
41h
highest
MSRP
n/a
$1,567
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 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.
The Stewart Dawson Darkest Hour is praised for its retro pilot design and comfortable Italian leather strap. However, one reviewer found the hunter-style caseback with a random quote disappointing and suggested a slightly domed sapphire crystal would have improved perceived value. Overall, owners and reviewers find the Stewart Dawson Darkest Hour offers a good wearing experience with its retro pilot design.
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