Casio MDV-106 DurovsCertina DS Action Chrono

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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.

MDV-106 Duro

DS Action Chrono
Diameter
44.2mm
42mm
Lug-to-Lug
48.5mm
lowest
49.5mm
Thickness
12.1mm
lowest
13.8mm
Water Resistance
200m
300m
highest
MSRP
$85
lowest
$859
Movement
Quartz
G10.212
Case
6 specsCrystal & Dial
3 specsMovement
2 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Casio MDV-106 Duro for its quality-to-price ratio and elegant design, often highlighting the Marlin logo and finishing. Many consider it a stunning first watch or a strong alternative to more expensive dive watches, with some noting its elegant diameter and build quality. One owner mentions the 44.2mm case size is preferred over a smaller sibling model. The Casio MDV-106 Duro is available for around $59-$70, and owners frequently suggest aftermarket strap or bracelet upgrades. Some owners flag the large size and weak lume as negatives. Overall, owners rate the Casio MDV-106 Duro highly for its design elegance and exceptional value.
The Casio MDV-106 Duro's quartz movement demonstrates excellent accuracy. Its stainless steel case features surprisingly good finishing for its price point.
Owners widely praise the Certina DS Action Chrono for its immaculate finishing, build quality superior to similarly priced competitors, and impressive accuracy, with one owner noting it did not lose a second in a week. The 1/100th second capability of the Precidrive quartz movement is highlighted as a standout feature, and its overall look and comfortable rubber strap are also appreciated. Some reviewers and owners desire polished chamfers on the brushed steel case and find the "action" text on the dial unnecessary. A few owners note that the similarity between the hour and minute hands can hinder quick time reading, and one owner mentions free play in the quartz movement can require a few attempts to align the second hand. Overall, owners and reviewers rate the Certina DS Action Chrono highly for its exceptional finishing and accuracy at its price point.
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