Side by side

Hamilton Khaki Aviation Pilot PioneervsOak & Oscar The Olmsted ExP-01

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

Khaki Aviation Pilot Pioneer
HamiltonKhaki Aviation Pilot Pioneer
MSRP $1,095
The Olmsted ExP-01
Oak & OscarThe Olmsted ExP-01
MSRP $1,775

At a glance

13 of 29 specs differ
Diameter
Khaki Aviation Pilot Pioneer38mm
The Olmsted ExP-0138mm
Power Reserve
Khaki Aviation Pilot Pioneer80h
The Olmsted ExP-0142h
Water Resistance
Khaki Aviation Pilot Pioneer100m
The Olmsted ExP-01100m
MSRP
Khaki Aviation Pilot Pioneer$1,095
The Olmsted ExP-01$1,775

Full specifications

Case

5 specs
Category
Pilot
Field
Thickness
11.4mm
10.8mm
Lug-to-Lug
46mm
44.9mm
Lug Width
18mm
20mm
Material
Stainless Steel
316L Heat-treated Stainless Steel

Crystal & Dial

3 specs
Crystal Shape
Flat
Double-domed
AR Coating
Inner
Underside
Lume
None
Super-LumiNova

Movement

4 specs
Caliber
H-10
Sellita SW300
Beat Rate
28,800 vph
4 vph
Power Reserve
80h
42h
Complications
None
GMT, Chronograph, Date

Pricing

1 specs
MSRP
$1,095
$1,775

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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 Aviation Pilot Pioneer

Owners widely praise the Hamilton Khaki Aviation Pilot Pioneer for its authentic pilot design, legible cathedral hands, and textured matte black dial, with the 36mm and 38mm case sizes noted as wearing well. The applied numerals with generous Super Luminova are a highlight, and one owner found the double AR-coated mineral crystal surprisingly scratch-free. However, the lume is not very bright or long-lasting, and the mechanical version requires about 60 crown turns to fully wind. Some owners find the rotating bezel's detents unremarkable, and the mineral crystal can scratch more easily than sapphire, though this is considered a minor drawback given the price. On balance, owners rate the Hamilton Khaki Aviation Pilot Pioneer highly for its vintage appeal and quality build at the price point.

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.

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