Casio GM-S2110BP-5AvsSheffield Diver 1
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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
Diver 1
Diameter
40.5mm
40mm
Lug-to-Lug
n/a
48mm
Thickness
11mm
lowest
13mm
Water Resistance
200m
200m
MSRP
$210
n/a
Movement
5730
Miyota 2035
Case
5 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 Sheffield Diver 1 for its substantial, rugged case and overall quality at an affordable price, with many appreciating the blue dial and dial patina. Some owners note the bezel action could be crisper, and one found the non-quick-set date inconvenient. An owner reported difficulty removing the caseback during servicing, and another experienced tiny shock springs disappearing during cleaning. Overall, owners rate the Sheffield Diver 1 highly for its build quality and value.
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