Side by side

Hamilton Khaki Field MechanicalvsOak & Oscar The Olmsted ExP-01

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 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

16 of 29 specs differ
Diameter
Khaki Field Mechanical36mm
The Olmsted ExP-0138mm
Power Reserve
Khaki Field Mechanical80h
The Olmsted ExP-0142h
Water Resistance
Khaki Field Mechanical100m
The Olmsted ExP-01100m
MSRP
Khaki Field Mechanical$725
The Olmsted ExP-01$1,775

Full specifications

Case

5 specs
Diameter
36mm
38mm
Thickness
10.2mm
10.8mm
Lug-to-Lug
46mm
44.9mm
Lug Width
18mm
20mm
Material
Stainless Steel
316L Heat-treated Stainless Steel

Crystal & Dial

5 specs
Crystal
Acrylic
Sapphire
Crystal Shape
Double-domed
AR Coating
Underside
Dial Color
Black
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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