Chronotechna NanoBlackvsStewart Dawson 911
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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
911
Diameter
42mm
42.5mm
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
4 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 911 is praised for its successful translation of Porsche 911 gauge aesthetics into a refined timepiece with impressive finishing and build quality. Reviewers note its legible dial, reliable Sellita SW200 automatic movement, and premium Nappa leather strap. One reviewer suggests a no-date version might have been more visually pleasing, and the 42.5mm case size is considered large for smaller wrists, with a desire for a smaller variant. Overall, reviewers rate the Stewart Dawson 911 highly for its coherent design and premium execution of its automotive inspiration.
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