Side by side

Hamilton Khaki Field MechanicalvsOak & Oscar The Olmsted 38

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 Field Mechanical

Owners widely praise the Hamilton Khaki Field Mechanical as an archetype of a field watch, highlighting its thin case, excellent finishing, and smooth winding action, with some calling it the best pure field watch available. The daily winding ritual is considered a charming aspect of ownership, and the branding is noted as tasteful and subtle. One owner specifically appreciates the lugs. A drawback cited is the highly reflective, non-AR-coated crystal, and accuracy ranges from -6 seconds per day to unspecified better performance. Overall, owners rate the Hamilton Khaki Field Mechanical highly for its rugged, all-business aesthetic and value as a quintessential field watch.

From video reviewers

The watch's pure field style design is a significant strength. The lume brightness is a shared weakness. Reviewers disagreed on the power reserve, with one stating 80 hours and another 46 hours.

Oak & Oscar The Olmsted 38

Oak & Oscar The Olmsted 38 is praised for its sharp, stealthy aesthetic with a durable ceramic-coated stainless steel case and a clean, no-date dial. Reviewers highlight its excellent wearability at 38mm and the value proposition at $1,475, which includes two strap options. The watch features a sandwich dial with stencil numerals and orange accents, powered by a modified ETA 2892-A2 movement. Overall, reviewers find Oak & Oscar The Olmsted 38 to be a modern and aggressive take on the classic field watch, offering exceptional value.

From video reviewers

The Olmsted 38 features tightly executed tolerances and an ultra-fine level of finishing. Reviewers did not reach a consensus on any weaknesses. Reviewers did not explicitly disagree on any points.

At a glance

18 of 29 specs differ
Diameter
Khaki Field Mechanical36mm
The Olmsted 3838mm
Power Reserve
Khaki Field Mechanical80h
The Olmsted 3842h
Water Resistance
Khaki Field Mechanical100m
The Olmsted 38100m
MSRP
Khaki Field Mechanical$725
The Olmsted 38$1,775

Full specifications

Case

6 specs
Diameter
36mm
38mm
Thickness
10.2mm
10.8mm
Lug-to-Lug
46mm
44.9mm
Lug Width
18mm
20mm
Material
Stainless Steel
316L Stainless Steel
Caseback
Solid screw-down

Crystal & Dial

6 specs
Crystal
Acrylic
Sapphire
Crystal Shape
Double-domed
AR Coating
Underside
Dial Color
Black
Green
Indices
Applied
Lume
None
Super-LumiNova

Movement

5 specs
Caliber
H-50 (ETA 2801-2 base)
Sellita SW300-1
Type
Manual
Automatic
Beat Rate
0 vph
4 vph
Power Reserve
80h
42h
Complications
None
GMT, Chronograph, Date

Pricing

1 specs
MSRP
$725
$1,775
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