Casio MDV-106 DurovsProTek Watches Model PT4101SF USMC Carbon Dive
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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

Model PT4101SF USMC Carbon Dive
Diameter
44.2mm
45mm
Lug-to-Lug
48.5mm
n/a
Thickness
12.1mm
n/a
Water Resistance
200m
300m
highest
MSRP
$85
lowest
$595
Movement
Quartz
Miyota 2035
Case
7 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.
The ProTek Watches Model PT4101SF USMC Carbon Dive is praised for its perpetual power, atomic timekeeping, and exceptional tritium lume, leading to insane low light visibility. Owners also appreciate its lightness and comfort. Overall, owners rate the ProTek Watches Model PT4101SF USMC Carbon Dive highly for its excellent low light visibility and comfortable wearability.
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