Side by side

Hamilton Khaki Aviation Pilot Pioneer MechanicalvsSeiko Prospex SPEEDTIMER Mechanical

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

Prospex SPEEDTIMER Mechanical
SeikoProspex SPEEDTIMER Mechanical
MSRP $995

At a glance

15 of 29 specs differ
Diameter
Khaki Aviation Pilot Pioneer Mechanical36mm
Prospex SPEEDTIMER Mechanical39.5mm
Power Reserve
Khaki Aviation Pilot Pioneer Mechanical80h
Prospex SPEEDTIMER Mechanical72h
Water Resistance
Khaki Aviation Pilot Pioneer Mechanical100m
Prospex SPEEDTIMER Mechanical200m
MSRP
Khaki Aviation Pilot Pioneer Mechanical$975
Prospex SPEEDTIMER Mechanical$995

Full specifications

Case

6 specs
Category
Pilot
Chronograph
Diameter
36mm
39.5mm
Thickness
9.95mm
12mm
Lug-to-Lug
46mm
44.5mm
Lug Width
18mm
20mm
Water Resistance
100m
200m

Crystal & Dial

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

Movement

4 specs
Caliber
H-50
6R55
Type
Manual
Automatic
Power Reserve
80h
72h
Jewels
25
24

Pricing

1 specs
MSRP
$975
$995

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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 Prospex SPEEDTIMER Mechanical

The Seiko Prospex SPEEDTIMER Mechanical is praised for its visually appealing design and comfortable wearability, with owners frequently using its chronograph function for daily tasks. Reviewers note its clean dial layout and LumiBrite treated hands and markers, and one source highlights the 72-hour power reserve of the 6R55 movement. However, some owners criticize its chronograph functionality and the 24-hour subdial. On balance, owners and reviewers rate the Seiko Prospex SPEEDTIMER Mechanical highly for its daily usability and refined aesthetics.

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