Side by side

Hamilton Khaki Navy Frogman AutovsSeiko 5KX

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 5KX

Owners widely praise the Seiko 5 Sports SKX series for its strong lume and comfortable wearability, with many noting its compact feel due to a short lug-to-lug length. The NH36 movement's accuracy varies, with typical performance between +/-5 to 10 seconds per day, though some report better. A lack of screw-down crown and ISO certification are noted drawbacks for its water resistance. Some owners find the bracelet to be of cheaper construction with hollow links, and a few have reported quality control issues. The consensus is that the Seiko 5 Sports SKX series offers good value for its price, appealing to those who appreciate its tool-like nature and iconic lineage.

At a glance

12 of 29 specs differ
Diameter
Khaki Navy Frogman Auto41mm
5KX42.5mm
Power Reserve
Khaki Navy Frogman Auto80h
5KX41h
Water Resistance
Khaki Navy Frogman Auto300m
5KX100m
MSRP
Khaki Navy Frogman Auto$1,395
5KX$350

Full specifications

Case

5 specs
Diameter
41mm
42.5mm
Thickness
13.09mm
13.4mm
Lug-to-Lug
0mm
46mm
Lug Width
20mm
22mm
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
Hamilton H-10
Seiko 4R36
Power Reserve
80h
41h
Jewels
0
24

Pricing

1 specs
MSRP
$1,395
$350
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