Certina DS-7 Chrono AutovsDamasko DC66

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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.

DS-7 Chrono Auto

DC66
Diameter
42mm
42mm
Lug-to-Lug
49.5mm
n/a
Thickness
14.9mm
n/a
Water Resistance
100m
100m
MSRP
$2,083
n/a
Movement
Tissot Valjoux A05.231
Valjoux 7750
Case
3 specsCrystal & Dial
2 specsMovement
1 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners and reviewers widely praise the Certina DS-7 Chrono Auto for its retro 1970s-inspired design, featuring a waffle-style dial with raised sub-dial rings and a contrasting red seconds hand, all housed in a refined 42mm brushed steel case. The watch is noted for its excellent finishing and sporty aesthetic, with some owners remarking that it wears smaller than its 42mm case size due to its thinness for an automatic. The integrated bracelet is generally well-received, though one reviewer found the included strap to be cheap, uncomfortable, and an impractical 21mm width. The automatic movement is cited as a robust Valjoux A05.231 with a 68-hour power reserve, and the watch is considered a great value. One owner notes the movement beats at 21,600 bph, resulting in a more noticeable tick rather than a smooth sweep. On balance, owners and reviewers rate the Certina DS-7 Chrono Auto highly for its attractive retro design and excellent value proposition.
Owners widely praise the Damasko DC66 as an ultimate tool watch with a bulletproof build, noting its solid case finishing, scratch resistance after years of rough use, and trustworthy 100m water resistance. Reviewers and owners consistently highlight the bezel's precise, unambiguous turning thanks to ceramic ball bearings and report good timekeeping, with one owner seeing +4 seconds per day. Some owners appreciate the ease of strap changes due to drilled lugs and its functional readability and wrist presence, while one owner flipped the 42mm model due to its size. On balance, owners rate the Damasko DC66 highly for its exceptional toughness and value, surpassing competitors in build quality.
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