Side by side

Hamilton Khaki Aviation Pilot Day Date AutovsSeiko 5 Sports SKX series

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 Aviation Pilot Day Date Auto

The Hamilton Khaki Aviation Pilot Day Date Auto features an 80-hour power reserve and hacking, with quick-set day and date functions. One owner noted aggressive rotor spin during hand-winding at certain angles, questioning if service was needed. A reviewer criticized the day display's proximity to the center pinion, suggesting a date-only function would have been preferable. Overall, owners and reviewers find the Hamilton Khaki Aviation Pilot Day Date Auto offers practical complications and a substantial power reserve, though the day display's execution is a point of contention.

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.

At a glance

12 of 29 specs differ
Diameter
Khaki Aviation Pilot Day Date Auto42mm
5 Sports SKX series42.5mm
Power Reserve
Khaki Aviation Pilot Day Date Auto80h
5 Sports SKX series41h
Water Resistance
Khaki Aviation Pilot Day Date Auto100m
5 Sports SKX series100m
MSRP
Khaki Aviation Pilot Day Date Auto$1,125
5 Sports SKX series$495

Full specifications

Case

5 specs
Category
Pilot
GMT
Diameter
42mm
42.5mm
Thickness
11.85mm
13.6mm
Lug-to-Lug
0mm
46mm
Lug Width
20mm
22mm

Crystal & Dial

3 specs
Crystal
Sapphire
Hardlex
Dial Color
Black
Lume
None
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
H-40 (ETA 2834-2 base)
4R34
Power Reserve
80h
41h
Jewels
0
24

Pricing

1 specs
MSRP
$1,125
$495
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