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Hamilton Khaki Aviation Converter Auto ChronovsTissot T-Race

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 Aviation Converter Auto Chrono

The Hamilton Khaki Aviation Converter Auto Chrono is widely described as a large 44mm pilot's watch with a functional slide rule bezel. Reviewers note its well-finished steel case, featuring a robust satin-brushed finish with polished accents and chamfers, and a legible blue sunray dial with applied Super-LumiNova markers and old-fashioned hands. It is powered by the H-21-Si automatic chronograph movement, an upgraded ETA-based caliber with a silicon balance spring for anti-magnetic properties, offering a 60-hour power reserve. The watch is rated to 100m water resistance and features a bi-directional slide rule bezel with graduations printed under K1 mineral glass for scratch protection, which is easy to manipulate due to its deeply notched steel design. Some find the slide rule bezel complicated to use without a manual. One owner notes its character does not appeal as much as other slide bezel chronos.

Tissot T-Race

The Tissot T-Race is widely praised for its robust build quality and value, with owners noting its durability and substantial feel. Reviewers highlight excellent dial legibility and a comfortable, integrated bracelet design, even on its 45mm, 199-gram frame. Some community members find the Tissot T-Race's motorsports-inspired design, including its disc brake bezel and asymmetrical pushers, polarizing and potentially not aging well for everyday wear, with one owner disliking the bezel screw aesthetics. Lume is noted to last over nine minutes. The Tissot T-Race Touch Aluminum variant features a lightweight aluminum case with a matte finish, though it is less durable than steel. On balance, owners and reviewers appreciate the Tissot T-Race for its solid construction and legibility at its price point, despite some finding its bold design divisive.

From video reviewers

The Powermatic 80 movement's 80-hour power reserve is a significant strength. Reviewers did not reach a consensus on any weaknesses.

At a glance

12 of 29 specs differ
Diameter
Khaki Aviation Converter Auto Chrono44mm
T-Race41mm
Power Reserve
Khaki Aviation Converter Auto Chrono60h
T-Race80h
Water Resistance
Khaki Aviation Converter Auto Chrono100m
T-Race100m
MSRP
Khaki Aviation Converter Auto Chrono$2,445
T-Race$875

Full specifications

Case

5 specs
Category
Pilot
Chronograph
Diameter
44mm
41mm
Thickness
14.6mm
11.28mm
Lug-to-Lug
0mm
41mm
Lug Width
22mm
12.95mm

Crystal & Dial

4 specs
AR Coating
Yes
Dial Color
Black
Blue
Indices
Indexes
Lume
None
Super-LumiNova ®

Movement

2 specs
Caliber
H-21-Si
Tissot Powermatic 80
Power Reserve
60h
80h

Pricing

1 specs
MSRP
$2,445
$875
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