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 $350

At a glance

12 of 29 specs differ
Diameter
Khaki Field Mechanical36mm
5 Sports SKX series38mm
Power Reserve
Khaki Field Mechanical80h
5 Sports SKX series41h
Water Resistance
Khaki Field Mechanical100m
5 Sports SKX series100m
MSRP
Khaki Field Mechanical$725
5 Sports SKX series$350

Full specifications

Case

5 specs
Category
Field
Diver
Diameter
36mm
38mm
Thickness
10.2mm
12.1mm
Lug-to-Lug
46mm
44.2mm
Lug Width
18mm
20mm

Crystal & Dial

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

Movement

4 specs
Caliber
H-50
4R36
Type
Manual
Automatic
Power Reserve
80h
41h
Jewels
25
24

Pricing

1 specs
MSRP
$725
$350

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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

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.

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