Side by side

Hamilton Khaki Navy Frogman AutovsSeiko 5 Sports SKX series

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

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.

Seiko 5 Sports SKX series

The Seiko 5 Sports SKX series is widely praised for its value, robust build, and powerful lume, with owners appreciating its comfortable bracelets and improved movement featuring hacking and hand-winding. Some owners find the original SKX models heavy and bulky, while others praise their ruggedness and iconic dive watch design. Reviewers note the 38mm models offer great value at around €350 and are exemplary gateway watches, though their 100m water resistance without a screw-down crown makes them unsuitable for diving. The Seiko 5 Sports SKX series is seen as a decent watch, especially under £200, but lacks the tool watch capabilities of the original SKX, missing a screw-down crown, bezel pip, and ISO rating. On balance, owners and reviewers rate the Seiko 5 Sports SKX series well for its blend of value, improved movement, and tool-watch aesthetic, despite some missing dive certifications.

At a glance

11 of 29 specs differ
Diameter
Khaki Navy Frogman Auto41mm
5 Sports SKX series38mm
Power Reserve
Khaki Navy Frogman Auto80h
5 Sports SKX series41h
Water Resistance
Khaki Navy Frogman Auto300m
5 Sports SKX series100m
MSRP
Khaki Navy Frogman Auto$1,395
5 Sports SKX series$350

Full specifications

Case

4 specs
Diameter
41mm
38mm
Thickness
13.09mm
12.1mm
Lug-to-Lug
0mm
44.2mm
Water Resistance
300m
100m

Crystal & Dial

3 specs
Crystal
Sapphire
Hardlex
Dial Color
Black
Lume
None
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
H-10
4R36
Power Reserve
80h
41h
Jewels
0
24

Pricing

1 specs
MSRP
$1,395
$350
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