Lum-Tec B72vsSlow 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.

B72

O 01
Diameter
44mm
42.5mm
Lug-to-Lug
51.5mm
n/a
Thickness
n/a
9.8mm
Water Resistance
200m
highest
100m
MSRP
$595
n/a
Movement
Ronda 515
Ronda 505.24
Case
6 specsCrystal & Dial
2 specsMovement
2 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners praise the Lum-Tec B72 for its rugged build and eye-pleasing 24-hour dial. The watch is recommended as an outstanding daily beater, offering decent value. Overall, owners rate the Lum-Tec B72 highly for its rugged build and daily wearability.
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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