Casio GMA-P2100vsMad Hudson Watches CD
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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.

GMA-P2100

CD
Diameter
40.2mm
40mm
Lug-to-Lug
46mm
n/a
Thickness
11.2mm
8.8mm
lowest
Water Resistance
200m
highest
30m
MSRP
$110
n/a
Movement
Quartz
Quartz
Case
7 specsCrystal & Dial
2 specsMovement
1 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Casio GMA-P2100 for its compact size, with one user noting it fits their wrist when other G-Shocks do not. The watch is described as having a smart look and keeping time with near perfection. One owner finds the GMA-P2100 a suitable size despite considering larger models, and another humorously suggests "P" in the model name might stand for "Pico" due to its small stature. On balance, owners rate the Casio GMA-P2100 highly for its wearability and reliable timekeeping.
The watch is praised for its 200m water resistance and slimmer, sleeker design compared to traditional G-Shocks. Reviewers noted the integrated calculator function. No shared weaknesses were identified.
Owners widely appreciate the high-quality leather strap and the Mad Hudson logo branding on the CD Watch. The bezel action is noted as firm with minimal play, and the crown requires careful seating when screwed down. One owner found the provided bracelet felt light, opting for an aftermarket upgrade for a more substantial feel, though the original was deemed acceptable. The Mad Hudson Watches CD Watch is seen by some as a creative design that missed its market by about thirty years. Overall, owners rate the Mad Hudson Watches CD Watch positively for its strap and branding, with some noting minor points regarding the bracelet and crown.
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