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.

Khaki Navy Frogman Auto
HamiltonKhaki Navy Frogman Auto
MSRP $1,395
5 Sports SKX series
Seiko5 Sports SKX series
MSRP $495

At a glance

11 of 29 specs differ
Diameter
Khaki Navy Frogman Auto41mm
5 Sports SKX series42.5mm
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$495

Full specifications

Case

5 specs
Category
Diver
GMT
Diameter
41mm
42.5mm
Thickness
13.09mm
13.6mm
Lug Width
20mm
22mm
Water Resistance
300m
100m

Crystal & Dial

2 specs
Crystal
Sapphire
Hardlex
Lume
None
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
H-10
4R34
Power Reserve
80h
41h
Jewels
25
24

Pricing

1 specs
MSRP
$1,395
$495

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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.

Seiko 5 Sports SKX series

The Seiko 5 Sports SKX series is widely praised as an excellent gateway watch, offering great value with a solid build and powerful lume. Owners widely report that the NH36 movement's accuracy is a "luck of the draw," with official specs allowing up to +/-40 seconds per day, though many experience +/-5 to 10 seconds. Some owners note the lack of a screw-down crown and 100m water resistance, while others highlight its ISO 6425 compliance, 200m water resistance, and screw-down crown as superior tool watch features. Some owners find the original SKX models heavier and bulkier than newer lines, while others praise its iconic, tough, and rugged dive watch design and proven durability. On balance, owners and reviewers rate the Seiko 5 Sports SKX series highly for its iconic, durable dive watch design and strong value proposition.

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