Casio GM-S2110BP-5AvsProTek Watches Model PT3101
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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
Model PT3101
Diameter
40.5mm
40mm
Thickness
11mm
11mm
Water Resistance
200m
highest
100m
MSRP
$210
lowest
$550
Movement
5730
Quartz
Case
4 specsCrystal & Dial
2 specsMovement
1 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.
The ProTek Watches Model PT3101 is praised for its insane low light visibility and bright, long-lasting tritium illumination. One reviewer noted the durable titanium case but wished for a screw-down crown and a minute hand that reached the track markings. Overall, owners and reviewers rate the ProTek Watches Model PT3101 highly for its exceptional visibility in low light conditions.
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