Side by side

Hamilton Khaki Aviation Pilot Pioneer MechanicalvsTissot Gentleman Open Heart

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

Gentleman Open Heart
TissotGentleman Open Heart
MSRP $1,025

At a glance

14 of 29 specs differ
Diameter
Khaki Aviation Pilot Pioneer Mechanical36mm
Gentleman Open Heart40mm
Power Reserve
Khaki Aviation Pilot Pioneer Mechanical80h
Gentleman Open Heart80h
Water Resistance
Khaki Aviation Pilot Pioneer Mechanical100m
Gentleman Open Heart100m
MSRP
Khaki Aviation Pilot Pioneer Mechanical$975
Gentleman Open Heart$1,025

Full specifications

Case

5 specs
Category
Pilot
Chronograph
Diameter
36mm
40mm
Thickness
9.95mm
11.5mm
Lug-to-Lug
46mm
40mm
Lug Width
18mm
21mm

Crystal & Dial

6 specs
Crystal
Mineral
Sapphire
Crystal Shape
Flat
Domed
AR Coating
Inner
Yes
Dial Color
Black
Silver
Indices
Applied
Indexes
Lume
None
Super-LumiNova ®

Movement

2 specs
Caliber
H-50
11 1/2'''
Type
Manual
Automatic

Pricing

1 specs
MSRP
$975
$1,025

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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.

Tissot Gentleman Open Heart

Owners widely praise the Tissot Gentleman Open Heart for its versatile dressy-sporty aesthetic and elegant sunburst dial finish, with one owner preferring its less shiny blue dial compared to other versions. The watch offers excellent fit and bracelet adjustability, and its modified Powermatic 80 movement achieves COSC-level accuracy of -3 to +5 seconds/day, though the seconds hand movement is slightly less smooth at 6 movements per second. However, one owner reported the watch arrived non-functional, requiring a return due to an inoperable movement. On balance, owners rate the Tissot Gentleman Open Heart highly for its aesthetic appeal and accurate timekeeping, despite a reported instance of a faulty movement.

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