Hamilton Khaki Navy Frogman AutovsSpinnaker Dumas 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 Dumas Automatic at true scale

Dumas Automatic

Diameter

41mm

44mm

Lug-to-Lug

n/a

48mm

Thickness

13.1mm

lowest

15mm

Water Resistance

300m

300m

Power Reserve

80h

n/a

MSRP

$1,395

$239

lowest

Movement

Hamilton H-10

Seiko NH35

Case

5 specs
Diameter
41mm
44mm
Thickness
13.09mm
15mm
Lug-to-Lug
n/a
48mm
Lug Width
20mm
22mm
Material
Stainless Steel
316L Stainless Steel

Crystal & Dial

1 specs
Dial Color
Black
Blue

Movement

2 specs
Caliber
Hamilton H-10
Seiko NH35
Power Reserve
80h
0h

Pricing

1 specs
MSRP
$1,395
$239
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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 Dumas Automatic

Owners widely praise the Spinnaker Dumas Automatic for its robust build quality, attractive textured blue dial, and excellent finishing for its price point. The watch is noted for its comfortable wearability, attributed to a short lug-to-lug distance, and owners report positive experiences with the Seiko NH35 movement. Some owners mention a mineral crystal instead of sapphire, a bracelet with a learning curve, and a crown that feels slightly small. Overall, owners rate the Spinnaker Dumas Automatic highly for its aesthetic appeal and solid construction at a fair price.

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