Casio GM-S2110BP-5AvsProTek Watches Model PT3103
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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 PT3103
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 PT3103 is praised for its comfortable 40mm wearability and durable titanium case, with owners noting excellent tritium illumination. One owner reported a discounted price of $552. The quartz movement, while acknowledged as not horologically significant, is noted for its reliability. A reviewer wished for a screw-down crown and a minute hand that reached the minute track. Overall, owners and reviewers rate the ProTek Watches Model PT3103 highly for its durable construction and excellent tritium lume at the price point.
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