Casio GMB2100GD-5AvsTAG Heuer Aquaracer
lug2lug doesn't sell watches. Buy links open the brand's or seller's own site. Some links are affiliate links: lug2lug may earn a commission at no extra cost to you. Disclosures
Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

GMB2100GD-5A

Aquaracer
Diameter
44.4mm
40mm
Thickness
12.8mm
n/a
Water Resistance
200m
200m
MSRP
$600
lowest
$3,100
Movement
5691
Quartz
Case
5 specsCrystal & Dial
2 specsMovement
5 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 TAG Heuer Aquaracer for its value, durability, and comfortable wearability, with many highlighting its well-executed finishing and legibility. The quartz movement is noted for its fuss-free nature and contribution to a lower price point when discounted, while some owners appreciate the accuracy of the automatic versions. The design language, including the wave dial and angular case, is considered masculine and modern, though some find it divisive. A specific criticism from owners is the second hand's occasional misalignment with minute markers, a trait attributed to the movement. On balance, owners and reviewers rate the TAG Heuer Aquaracer highly for its blend of practical luxury, versatile design, and robust build at its price point.
Similar watches
Matched to the watches above on size, movement, style and price, microbrands first. Open any one to dig in.
Also compared
Comparisons nearby in the catalog: alternatives to the watches above paired against the matchup.








