Casio GM-S2110BP-5AvsSheffield Allsport 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
Allsport 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
Seiko NH35
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 Allsport Diver 1 for its superb quality and sturdiness at an affordable price, with one owner noting its scratch resistance despite heavy use. The blue dial is a particular highlight, and the watch is considered a substantial upgrade from entry-level options. Some owners note the bezel action could be crisper, and the lack of a quick-set date is a functional drawback for some. One owner found the caseback exceptionally difficult to remove during servicing. Overall, owners rate the Sheffield Allsport Diver 1 highly for its surprising quality and appearance at its price point.
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