Spinnaker Bradner AutomaticvsBremont Supermarine 500M


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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.

Bradner Automatic

Supermarine 500M
Diameter
42mm
43mm
Lug-to-Lug
50mm
n/a
Thickness
15mm
13mm
lowest
Water Resistance
180m
500m
highest
MSRP
$420
lowest
$4,700
Movement
Miyota 8215
Bremont BE-92AE
Case
4 specsCrystal & Dial
1 specsMovement
1 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely report the Spinnaker Noir Radiance offers acceptable quality for its price, with some praising its band and color. However, reviewers and owners consistently flag the bezel as difficult to use. One owner found the overall quality okay but not stellar, noting that some Spinnaker models can appear over-designed. The Seiko NH35 movement is seen as common for the price point, with some suggesting a lower price would be more appropriate. On balance, owners rate the Spinnaker Noir Radiance as acceptable for its price, primarily due to its band and color, despite noted usability issues with the bezel.
Owners widely praise the Bremont Supermarine 500M's stunning design, luxurious appearance, and excellent lume. Reviewers note its updated, legible dial and scratch-resistant hardened steel case with anti-reflective coating. Some owners find the 43mm case substantial, and one reviewer questions the long-term water resistance of its three-piece case construction. Criticisms include a second hand that can be hard to see in low light and bezel markings that could be more prominent, with one owner noting the lack of a dive suit extension on the bracelet. Overall, owners and reviewers rate the Bremont Supermarine 500M highly for its rugged refinement and competitive pricing against more expensive brands.
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