Hamilton Khaki Navy Frogman AutovsSpinnaker 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.

Hamilton Khaki Navy Frogman Auto at true scale

Khaki Navy Frogman Auto

Spinnaker Bradner Automatic at true scale

Bradner Automatic

Diameter

41mm

42mm

Lug-to-Lug

n/a

50mm

Thickness

13.1mm

lowest

15mm

Water Resistance

300m

highest

180m

Power Reserve

80h

n/a

MSRP

$1,395

$179

lowest

Movement

Hamilton H-10

Miyota 8215

Case

6 specs
Diameter
41mm
42mm
Thickness
13.09mm
15mm
Lug-to-Lug
n/a
50mm
Lug Width
20mm
22mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
180m

Crystal & Dial

1 specs
Dial Color
Black
Tidal Blue

Movement

2 specs
Caliber
Hamilton H-10
Miyota 8215
Power Reserve
80h
0h

Pricing

1 specs
MSRP
$1,395
$179
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Reviews

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

Hamilton Khaki Navy Frogman Auto

The Hamilton Khaki Navy Frogman Auto is praised for its wearable 41mm size, graceful silhouette, and robust tool-watch aesthetic, with reviewers highlighting its clean, date-free dial, well-defined bezel clicks, and surprisingly nice crown. Owners and reviewers note the pliable rubber strap and a 44mm lug-to-lug measurement that works well on smaller wrists, alongside a 46mm case option in the line. The watch is powered by the Hamilton H-10 automatic movement with an 80-hour power reserve. Some drawbacks noted include a stiff rubber strap, unforgiving buckle, and bezel grip in wet conditions, while one owner found the bezel action a bit stiff. Overall, owners and reviewers rate the Hamilton Khaki Navy Frogman Auto highly for its balanced design and wearability at its price point.

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.