Side by side

Hamilton Khaki Navy Frogman AutovsSpinnaker Dumas GMT

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Khaki Navy Frogman Auto
HamiltonKhaki Navy Frogman Auto
MSRP $1,395
Dumas GMT
SpinnakerDumas GMT
MSRP $399

At a glance

10 of 29 specs differ
Diameter
Khaki Navy Frogman Auto41mm
Dumas GMT44mm
Power Reserve
Khaki Navy Frogman Auto80h
Dumas GMT40h
Water Resistance
Khaki Navy Frogman Auto300m
Dumas GMT300m
MSRP
Khaki Navy Frogman Auto$1,395
Dumas GMT$399

Full specifications

Case

6 specs
Category
Diver
GMT
Diameter
41mm
44mm
Thickness
13.09mm
15mm
Lug-to-Lug
46mm
48mm
Lug Width
20mm
22mm
Material
Stainless Steel
316L Stainless Steel

Crystal & Dial

1 specs
Dial Color
Black
Blue

Movement

2 specs
Caliber
H-10
Seiko NH34A
Power Reserve
80h
40h

Pricing

1 specs
MSRP
$1,395
$399

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What people say

Owners + reviewers, side by side

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 and graceful silhouette, with reviewers highlighting its clean, date-free dial and well-defined bezel clicks. The H-10 automatic movement provides an 80-hour power reserve. Some reviewers note drawbacks such as a stiff rubber strap and buckle, and bezel grip in wet conditions. The case features brushed surfaces with polished bevels. On balance, reviewers rate the Hamilton Khaki Navy Frogman Auto highly for its blend of standout design and wearable dimensions.

Spinnaker Dumas GMT

Owners praise the Spinnaker Dumas GMT's satisfying lume, including on the crown, and good finishing, with one owner finding it wears well on a 17cm wrist. The watch features a Seiko NH34A GMT movement and a blue gradient dial. Reviewers note its 44mm diameter and 209g weight on the bracelet make it unsuitable for smaller wrists.

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