Side by side

Hamilton Khaki Aviation Pilot Pioneer MechanicalvsSeiko Alpinist

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

Alpinist
SeikoAlpinist
MSRP $750

At a glance

14 of 29 specs differ
Diameter
Khaki Aviation Pilot Pioneer Mechanical36mm
Alpinist39.5mm
Power Reserve
Khaki Aviation Pilot Pioneer Mechanical80h
Alpinist70h
Water Resistance
Khaki Aviation Pilot Pioneer Mechanical100m
Alpinist200m
MSRP
Khaki Aviation Pilot Pioneer Mechanical$975
Alpinist$750

Full specifications

Case

6 specs
Category
Pilot
Field
Diameter
36mm
39.5mm
Thickness
9.95mm
13.2mm
Lug-to-Lug
46mm
46.4mm
Lug Width
18mm
20mm
Water Resistance
100m
200m

Crystal & Dial

3 specs
Crystal
Mineral
Sapphire
AR Coating
Inner
Anti-reflective coating on inner surface
Lume
None
LumiBrite on hands and index(es)

Movement

4 specs
Caliber
H-50
6R35
Type
Manual
Automatic
Power Reserve
80h
70h
Jewels
25
24

Pricing

1 specs
MSRP
$975
$750

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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 Mechanical

Owners widely praise the Hamilton Khaki Aviation Pilot Pioneer Mechanical for its superior fit and finish, clean and unique design, and overall value, with one owner calling it a significant step up in build quality. The watch measures 36mm wide with a 41.7mm lug-to-lug and 12.8mm thickness. Some owners express concern over its mineral crystal, with one noting the bezel's detents are "kinda whatever." On balance, owners rate the Hamilton Khaki Aviation Pilot Pioneer Mechanical highly for its build quality and value proposition.

Seiko Alpinist

Owners widely praise the Seiko Prospex Land Mechanical for its durability, accuracy, and value, with many appreciating its versatile style and useful day-date complication. Some owners highlight the 70-hour power reserve and 20 bar water resistance as significant benefits. However, opinions are divided on its size and thickness, with some finding it too large and heavy for a field watch, while others consider it a perfect or comfortable fit, especially at 38mm. There is also disagreement regarding the crystal type, with some criticizing the Hardlex while others appreciate the sapphire. Overall, owners rate the Seiko Prospex Land Mechanical highly for its robust performance and good value, despite differing views on its dimensions.

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