Side by side

Hamilton Khaki Field King AutovsSeiko Alpinist

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

Khaki Field King Auto
HamiltonKhaki Field King Auto
MSRP $845
Alpinist
SeikoAlpinist
MSRP $750

At a glance

10 of 29 specs differ
Diameter
Khaki Field King Auto40mm
Alpinist39.5mm
Power Reserve
Khaki Field King Auto80h
Alpinist70h
Water Resistance
Khaki Field King Auto50m
Alpinist200m
MSRP
Khaki Field King Auto$845
Alpinist$750

Full specifications

Case

4 specs
Diameter
40mm
39.5mm
Thickness
11.15mm
13.2mm
Lug-to-Lug
46mm
46.4mm
Water Resistance
50m
200m

Crystal & Dial

2 specs
AR Coating
Inner
Anti-reflective coating on inner surface
Lume
None
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
H-40
6R35
Power Reserve
80h
70h
Jewels
25
24

Pricing

1 specs
MSRP
$845
$750

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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 King Auto

Owners and reviewers widely praise the Hamilton Khaki Field King Auto for its 80-hour power reserve, hacking capability, and snappy day-date function, with accuracy figures ranging from +1 to +5 seconds per day. The watch is also noted for its legibility, attractive dial options, and 100m water resistance. Some owners find the stock strap stiff and the case finishing lacks fine detail, while others mention the lume is decent but fades significantly after about 30 minutes. The lack of an anti-reflective coating on the sapphire crystal is a recurring point, and the crown does not feel like it fully pushes in for some. On balance, owners and reviewers rate the Hamilton Khaki Field King Auto highly for its robust feature set and value, particularly its day-date complication and extended power reserve.

From video reviewers

The 80-hour power reserve from the H-40 movement is a significant advantage. The lack of AR coating on the sapphire crystal hinders legibility in direct light, and the 50-meter water resistance is limited for a field watch. Reviewers disagreed on the watch case geometry and ergonomics, with one noting it contributed to buyer's remorse and another suggesting it should offer a comfortable fit.

Seiko Alpinist

Owners widely praise the Seiko Prospex Land Mechanical for its durability, accuracy, and value, with many appreciating its versatile style and useful day-date complication. Some owners highlight the 70-hour power reserve and 20 bar water resistance as significant benefits. However, opinions are divided on its size and thickness, with some finding it too large and heavy for a field watch, while others consider it a perfect or comfortable fit, especially at 38mm. There is also disagreement regarding the crystal type, with some criticizing the Hardlex while others appreciate the sapphire. Overall, owners rate the Seiko Prospex Land Mechanical highly for its robust performance and good value, despite differing views on its dimensions.

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