Side by side

Hamilton Khaki Aviation Pilot Pioneer MechanicalvsSeiko 5 Sports SKX series

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

5 Sports SKX series
Seiko5 Sports SKX series
MSRP $350

At a glance

12 of 29 specs differ
Diameter
Khaki Aviation Pilot Pioneer Mechanical36mm
5 Sports SKX series38mm
Power Reserve
Khaki Aviation Pilot Pioneer Mechanical80h
5 Sports SKX series41h
Water Resistance
Khaki Aviation Pilot Pioneer Mechanical100m
5 Sports SKX series100m
MSRP
Khaki Aviation Pilot Pioneer Mechanical$975
5 Sports SKX series$350

Full specifications

Case

5 specs
Category
Pilot
Diver
Diameter
36mm
38mm
Thickness
9.95mm
12.1mm
Lug-to-Lug
46mm
44.2mm
Lug Width
18mm
20mm

Crystal & Dial

2 specs
Crystal
Mineral
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
$975
$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 Aviation Pilot Pioneer Mechanical

Owners widely praise the Hamilton Khaki Aviation Pilot Pioneer Mechanical for its superior fit and finish, clean and unique design, and overall value, with one owner calling it a significant step up in build quality. The watch measures 36mm wide with a 41.7mm lug-to-lug and 12.8mm thickness. Some owners express concern over its mineral crystal, with one noting the bezel's detents are "kinda whatever." On balance, owners rate the Hamilton Khaki Aviation Pilot Pioneer Mechanical highly for its build quality and value proposition.

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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