Side by side

Hamilton Khaki Field MechanicalvsSeiko 5 Sports SKX series

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

Khaki Field Mechanical
HamiltonKhaki Field Mechanical
MSRP $725
5 Sports SKX series
Seiko5 Sports SKX series
MSRP $315

At a glance

12 of 29 specs differ
Diameter
Khaki Field Mechanical36mm
5 Sports SKX series28mm
Power Reserve
Khaki Field Mechanical80h
5 Sports SKX series40h
Water Resistance
Khaki Field Mechanical100m
5 Sports SKX series100m
MSRP
Khaki Field Mechanical$725
5 Sports SKX series$315

Full specifications

Case

5 specs
Category
Field
Sport
Diameter
36mm
28mm
Thickness
10.2mm
11.2mm
Lug-to-Lug
46mm
33.1mm
Lug Width
18mm
14mm

Crystal & Dial

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

Movement

4 specs
Caliber
H-50
2R06
Type
Manual
Automatic
Power Reserve
80h
40h
Jewels
25
21

Pricing

1 specs
MSRP
$725
$315

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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 Field Mechanical

Owners widely praise the Hamilton Khaki Field Mechanical as an archetype of a field watch, highlighting its thin case, excellent finishing, and smooth winding action, with some calling it the best pure field watch available. The daily winding ritual is considered a charming aspect of ownership, and the branding is noted as tasteful and subtle. One owner specifically appreciates the lugs. A drawback cited is the highly reflective, non-AR-coated crystal, and accuracy ranges from -6 seconds per day to unspecified better performance. Overall, owners rate the Hamilton Khaki Field Mechanical highly for its rugged, all-business aesthetic and value as a quintessential field watch.

From video reviewers

The watch's pure field style design is a significant strength. The lume brightness is a shared weakness. Reviewers disagreed on the power reserve, with one stating 80 hours and another 46 hours.

Seiko 5 Sports SKX series

Owners widely praise the Seiko 5 Sports SKX series for its iconic dive watch design, robust build, and excellent value, with many appreciating its timeless styling and tool-like character. The movement, while basic, is noted as offering hacking and hand-winding capabilities, and accuracy varies, with many owners reporting +/-5 to 10 seconds per day despite the movement's potential for +/-40 seconds. Some owners find the original SKX models heavier and bulkier than newer iterations, while others critique the lack of a screw-down crown and ISO rating on the newer Seiko 5 Sports SKX series, deeming it less of a serious tool watch. Overall, owners rate the Seiko 5 Sports SKX series highly for its enduring design and value proposition as a robust, everyday watch.

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