BOLDR Supply Co. Rally IIIvsSunrex 321
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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.

Rally III

321
Diameter
38mm
38.6mm
Lug-to-Lug
44mm
43.5mm
lowest
Thickness
12.2mm
lowest
14mm
Water Resistance
200m
highest
100m
MSRP
$299
lowest
$600
Movement
Seiko VK64
Seiko (Epson) VS76
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 widely praise the BOLDR Supply Co. Rally III for its reliable Seiko VK64 mecaquartz movement and 200m water resistance within a 38mm case. The motorsport-inspired design is a functional highlight, featuring useful lume. One owner noted the fabric strap did not hold up well to daily wear, and another owner expressed a personal preference for watches around 12mm thick, questioning the Rally III's 14mm measurement. Overall, owners rate the BOLDR Supply Co. Rally III highly for its dependable mecaquartz movement and robust build at an accessible price point.
The compact 37mm case size is a strength. The watch offers versatility with included FKM rubber and leather straps.
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