Side by side

Hamilton Khaki Aviation Khaki Pilot Pioneer Auto ChronovsTissot Le Locle Open Heart

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 Khaki Pilot Pioneer Auto Chrono

Owners widely praise the Hamilton Khaki Aviation Khaki Pilot Pioneer Auto Chrono for its excellent dial legibility and unique, vintage-inspired design, with some noting its thinness and 72-hour power reserve. Reviewers highlight its charismatic, function-forward military aesthetic and attractive dial execution. The watch is considered a wise starting point for a chronograph under $2,000, with observed accuracy around +/- 4 seconds per day and a 60-hour power reserve. Some owners find the non-screw-down crown limits water confidence, and one reviewer notes the mineral crystal scratches more easily than sapphire. The price is considered a bit punchy by one source. On balance, owners and reviewers rate the Hamilton Khaki Aviation Khaki Pilot Pioneer Auto Chrono highly for its handsome, utilitarian design and value.

Tissot Le Locle Open Heart

Owners widely praise the Tissot Le Locle Open Heart for its elegant aesthetic, featuring a guilloché dial and Roman numerals, and appreciate its practical 80-hour power reserve and Nivachron hairspring. The watch is also noted for offering dual bracelet and strap options, along with a see-through case back. However, one owner flags negative community feedback regarding the comfort of the synthetic leather strap. Overall, owners rate the Tissot Le Locle Open Heart highly for its attractive design and impressive technical specifications at its price point.

At a glance

10 of 29 specs differ
Diameter
Khaki Aviation Khaki Pilot Pioneer Auto Chrono41mm
Le Locle Open Heart39.3mm
Power Reserve
Khaki Aviation Khaki Pilot Pioneer Auto Chrono60h
Le Locle Open Heart80h
Water Resistance
Khaki Aviation Khaki Pilot Pioneer Auto Chrono100m
Le Locle Open Heart30m
MSRP
Khaki Aviation Khaki Pilot Pioneer Auto Chrono$1,995
Le Locle Open Heart$995

Full specifications

Case

5 specs
Diameter
41mm
39.3mm
Thickness
16mm
9.75mm
Lug-to-Lug
0mm
39.3mm
Lug Width
22mm
19mm
Water Resistance
100m
30m

Crystal & Dial

2 specs
Dial Color
Beige
Silver
Indices
Roman

Movement

2 specs
Caliber
H-31
11.5'
Power Reserve
60h
80h

Pricing

1 specs
MSRP
$1,995
$995
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