Casio GM-S2110vsSlow Watches O 01
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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-S2110

O 01
Diameter
40.5mm
42.5mm
Lug-to-Lug
45.9mm
n/a
Thickness
11mm
9.8mm
lowest
Water Resistance
200m
highest
100m
MSRP
$200
n/a
Movement
Quartz
Ronda 505.24
Case
6 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 GM-S2110 for its attractive design, well-fitting smaller size, and clear positive digital display. The metal casing is noted as an improvement over earlier models, and the off-white band and indices are considered eye-catching. However, some owners express disappointment that this variant lacks Bluetooth and Tough Solar, and the bracelet features a pressed clasp and hollow links, unlike more premium full-metal versions. Some owners are looking for metal strap adapters, finding none specifically for the GM-S2110. Overall, owners rate the Casio GM-S2110 highly for its stylish aesthetics and comfortable wearability in a compact package, despite some feature omissions.
Owners widely praise the Slow Watches O 01 for its gorgeous 24-hour dial, unique one-hand design, and conversational appeal, with many finding it a joy for daily wear and an interesting, affordable alternative. The watch's Swiss-made quality and stainless steel construction are noted, and some owners report the Italian leather band aged well. However, the watch is not ideal for precise timekeeping, with time only readable in roughly 15-minute increments, and some find the midnight at 6 o'clock position unconventional. Owners are split on the typeface, with one disliking the "0" numeral, and some consider the $300 price point high for its perceived gimmick status and reduced mechanics. Setting the watch requires a specific clockwise-only crown rotation, and battery changes may require a small flathead screwdriver. Overall, owners rate the Slow Watches O 01 highly for its unique design and conversational appeal, despite its limitations for precise time-telling.
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