Slow Watches Mo 34mm GMTvsSlow Watches Twelve
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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.

Mo 34mm GMT

Twelve
Diameter
34mm
40mm
Thickness
8.3mm
8.3mm
Water Resistance
100m
100m
MSRP
$280
n/a
Movement
Ronda 515.24H
Ronda 515.24H
Case
2 specsCrystal & Dial
1 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Slow Watches Slow Round-S for its minimalist, logo-free dial and unique 24-hour representation of day and night, which many find calming and conversation-starting. Some owners consider the 34mm case size ideal and well-proportioned, particularly on smaller wrists, while others acknowledge it might feel small. The brushed aluminum case is appreciated, though the strap is frequently noted as a point for improvement, with some suggesting it should be upgraded given the price. The Ronda 515.24H quartz movement powers the watch, and while its single hand and 15-minute dial increments are central to its design philosophy of encouraging a deliberate approach to time, precise time-telling is not its primary focus. On balance, owners and reviewers view the Slow Watches Slow Round-S as a cool, accessible novelty and a fun collection addition rather than a primary timepiece, largely due to its unique time-telling method.
Owners widely appreciate the Slow Watches Twelve for its minimalist, logo-free dial and the calming, neutral aesthetic of its 24-hour display, with some finding it a conversation starter. The build quality is considered good for the price, and the Italian leather band is noted to age well. Accuracy is generally better than anticipated, with owners typically reading time within 1-3 minutes of the actual time. However, some find the small indices and digits difficult to read without glasses, and setting the watch can be finicky. The Slow Watches Twelve is often viewed as a novelty or fun addition to a collection rather than a primary timepiece, with some owners suggesting it is a bit pricey for a quartz movement. On balance, owners appreciate the Slow Watches Twelve for its unique design and philosophical message, though its practicality as a primary watch is debated.
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