Spinnaker Bradner AutomaticvsSan Martin Compressor Diver

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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.

Spinnaker Bradner Automatic at true scale

Bradner Automatic

San Martin Compressor Diver at true scale

Compressor Diver

Diameter

42mm

42mm

Lug-to-Lug

50mm

n/a

Thickness

15mm

n/a

Water Resistance

180m

200m

highest

MSRP

$179

lowest

$273

Movement

Miyota 8215

Automatic

Case

5 specs
Thickness
15mm
n/a
Lug-to-Lug
50mm
n/a
Lug Width
22mm
n/a
Material
316L Stainless Steel
Stainless Steel
Water Resistance
180m
200m

Crystal & Dial

1 specs
Dial Color
Tidal Blue
n/a

Movement

1 specs
Caliber
Miyota 8215
n/a

Pricing

1 specs
MSRP
$179
$273
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Reviews

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Spinnaker Bradner Automatic

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.

From video reviewers

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.

San Martin Compressor Diver

Owners praise the San Martin Compressor Diver as a favorite with a retro diver character, and one notes the big numerals grow on them, though they regret the original black dial didn't sell better. One owner reports timekeeping of only about 20 seconds gained every 12 days under daily wear with the NH35 movement, which is a strong result for an automatic. Weaker points include lume that one owner finds much weaker than expected for the brand, and a lollipop seconds hand that another considers oversized against the dial. Overall, owners rate the Compressor Diver well for its retro homage character and accuracy, with lume the most notable drawback.

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