Side by side

Hamilton American Classic Intra-Matic Auto ChronovsHamilton Khaki Aviation Khaki Pilot Pioneer Auto Chrono

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 American Classic Intra-Matic Auto Chrono

Owners widely praise the Hamilton American Classic Intra-Matic Auto Chrono for its historically significant retro design, clean panda dial, and value, with many noting its comfortable wearability and how it garners compliments. Reviewers and owners alike highlight its attractive dial with well-placed sub-registers and polished indices, evoking a vintage charm. Some owners find the 14mm+ case thickness substantial, though others note it wears smaller than expected and fits under shirt cuffs. The H-31 movement's rotor is described as spinny by one owner, and accuracy figures range from +3 to +8 seconds per day, with one owner noting the OEM strap is utilitarian. On balance, owners and reviewers rate the Hamilton American Classic Intra-Matic Auto Chrono highly for its vintage aesthetic and value proposition.

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.

At a glance

5 of 29 specs differ
Diameter
American Classic Intra-Matic Auto Chrono40mm
Khaki Aviation Khaki Pilot Pioneer Auto Chrono41mm
Power Reserve
American Classic Intra-Matic Auto Chrono60h
Khaki Aviation Khaki Pilot Pioneer Auto Chrono60h
Water Resistance
American Classic Intra-Matic Auto Chrono100m
Khaki Aviation Khaki Pilot Pioneer Auto Chrono100m
MSRP
American Classic Intra-Matic Auto Chrono$2,645
Khaki Aviation Khaki Pilot Pioneer Auto Chrono$1,995

Full specifications

Case

3 specs
Diameter
40mm
41mm
Thickness
14.45mm
16mm
Lug Width
20mm
22mm

Crystal & Dial

1 specs
Dial Color
White
Beige

Pricing

1 specs
MSRP
$2,645
$1,995
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