Side by side

Hamilton Khaki Field King AutovsOak & Oscar The Olmsted ExP-01

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

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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.

Oak & Oscar The Olmsted ExP-01

Owners widely praise Oak & Oscar The Olmsted ExP-01 for its exceptional finishing, comfortable bracelet, and smooth movement. The dial designs are a frequent point of admiration, with specific appreciation for the white, navy, and gray variants, as well as the orange seconds hand. The watch is considered fairly priced at around $1.5k and is noted for its versatility and "soul." On balance, owners rate Oak & Oscar The Olmsted ExP-01 highly for its overall quality, design, and the brand's customer service.

At a glance

14 of 29 specs differ
Diameter
Khaki Field King Auto40mm
The Olmsted ExP-0138mm
Power Reserve
Khaki Field King Auto80h
The Olmsted ExP-0142h
Water Resistance
Khaki Field King Auto50m
The Olmsted ExP-01100m
MSRP
Khaki Field King Auto$845
The Olmsted ExP-01$1,775

Full specifications

Case

5 specs
Diameter
40mm
38mm
Thickness
11.15mm
10.8mm
Lug-to-Lug
0mm
44.9mm
Material
Stainless Steel
316L Heat-treated Stainless Steel
Water Resistance
50m
100m

Crystal & Dial

4 specs
Crystal Shape
Double-domed
AR Coating
Underside
Dial Color
Black
Lume
None
Super-LumiNova

Movement

4 specs
Caliber
Hamilton H-40
Sellita SW300-1
Beat Rate
0 vph
4 vph
Power Reserve
80h
42h
Complications
None
GMT, Chronograph, Date

Pricing

1 specs
MSRP
$845
$1,775
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