Casio GM-S2110BP-5AvsLum-Tec Solar Marine
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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.
GM-S2110BP-5A
Solar Marine
Diameter
40.5mm
39mm
Lug-to-Lug
n/a
43.5mm
Thickness
11mm
10.7mm
lowest
Water Resistance
200m
300m
highest
MSRP
$210
lowest
$463
Movement
5730
Automatic
Case
6 specsCrystal & Dial
2 specsMovement
2 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners note the Casio GM-S2110BP-5A's strap gets dirty easily but cleans well, and the watch itself resists scratches during frequent wear. Some owners lament the lack of a positive display and find the lume could be brighter. A metal conversion kit is available, transforming the watch into a daily wearer. Overall, owners appreciate the Casio GM-S2110BP-5A for its scratch resistance and the potential for customization via modding kits.
Owners widely praise the Lum-Tec Solar Marine for its all-black diver design, excellent lume, and rugged, tank-like build. This 39mm watch is noted as a great smaller option, fitting a 7-inch wrist perfectly and suitable for extensive water activities. One owner cautions that the PVD coating may wear and chip within a year. On balance, owners rate the Lum-Tec Solar Marine highly for its rugged build and excellent lume in a compact dive watch package.
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