Side by side

Hamilton Khaki Field Auto ChronovsSeiko 5 Sports Field series

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

Khaki Field Auto Chrono
HamiltonKhaki Field Auto Chrono
MSRP $2,175
5 Sports Field series
Seiko5 Sports Field series
MSRP $315

At a glance

11 of 29 specs differ
Diameter
Khaki Field Auto Chrono42mm
5 Sports Field series39.4mm
Power Reserve
Khaki Field Auto Chrono60h
5 Sports Field series41h
Water Resistance
Khaki Field Auto Chrono100m
5 Sports Field series100m
MSRP
Khaki Field Auto Chrono$2,175
5 Sports Field series$315

Full specifications

Case

4 specs
Category
Chronograph
Sport
Diameter
42mm
39.4mm
Thickness
14.5mm
13.2mm
Lug-to-Lug
46mm
48.1mm

Crystal & Dial

3 specs
Crystal
Sapphire
Hardlex
Crystal Shape
Flat
Curved
Lume
None
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
H-21
4R36
Power Reserve
60h
41h
Jewels
25
24

Pricing

1 specs
MSRP
$2,175
$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 Auto Chrono

The Hamilton Khaki Field Auto Chrono is widely praised for its retro military design, value proposition, and reliable ETA movement. Reviewers highlight its 42mm steel case, 100m water resistance, and the H-21 automatic movement offering a 60-hour power reserve. One editorial review notes the unusual dial layout omits a running seconds indicator for symmetry, featuring day and date windows instead. The case is described as black PVD-treated stainless steel with a brushed finish and polished bezel, complemented by a black-on-black dial with dark grey Super-LumiNova and polished Arabic numerals. Overall, owners and reviewers consider the Hamilton Khaki Field Auto Chrono a well-designed tactical sports watch offering a strong combination of style and value.

Seiko 5 Sports Field series

The Seiko 5 Sports Field series is praised for its value, offering an accessible explorer-style watch with a GMT complication and excellent legibility thanks to LumiBrite on the dial and bezel. The watches feature a 41mm stainless steel case, 100m water resistance, and are powered by either the 4R36 or 4R34 movement, both with a 41-hour power reserve. One reviewer notes the inclusion of a compass bezel with a lumed pearl and fully lumed Arabic numerals on the dial for the non-GMT models. Overall, reviewers consider the Seiko 5 Sports Field GMT models good value under 500 euros.

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