Sternglas MarusvsSpinnaker Bradner Automatic
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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.

Marus

Bradner Automatic
Diameter
42mm
42mm
Lug-to-Lug
53.8mm
50mm
lowest
Thickness
14mm
lowest
15mm
Water Resistance
200m
highest
180m
Power Reserve
42h
n/a
MSRP
$485
$179
lowest
Movement
Miyota 8215
Miyota 8215
Case
5 specsCrystal & Dial
3 specsMovement
2 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Sternglas Marus for its exceptionally well-built feel and bezel action, described as the best in its price range with a satisfying click and no play. Despite its 42mm diameter and 52mm lug-to-lug, the watch fits surprisingly well even on slim wrists, offering a substantial presence. The Sternglas Marus is considered an affordable and fun starting point for a watch collection.
Owners widely praise the Spinnaker Bradner's vibrant dial options and excellent lume on both indices and bezel, with one reviewer calling the textured dial's fine details and color-matched bezel lume a work of art. The bezel action is described as extremely crisp. However, some finishing on the minute ring is imprecise, and the inner bezel crown rotates too easily, with one owner finding the clasp unsatisfactory. The watch uses a Seiko NH35 automatic movement and is 42mm in case size with 180m water resistance. On balance, owners rate the Spinnaker Bradner highly for its eye-catching design and lume at its price point.
The Spinnaker Atlantic Blue's reliable Seiko NH35 automatic movement is a key strength. The watch's lume performance is somewhat lacking, which may be a trade-off for some buyers. Reviewers disagree on the watch's bezel action, with one reviewer praising it as smooth and precise, while the other two do not mention it.
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