Side by side

Hamilton Khaki Aviation Pilot Pioneer Mechanical ChronovsTornek-Rayville CISO M38 Field

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

At a glance

12 of 29 specs differ
Diameter
Khaki Aviation Pilot Pioneer Mechanical Chrono40mm
CISO M38 Field38mm
Power Reserve
Khaki Aviation Pilot Pioneer Mechanical Chrono60h
CISO M38 Field42h
Water Resistance
Khaki Aviation Pilot Pioneer Mechanical Chrono100m
CISO M38 Field100m
MSRP
Khaki Aviation Pilot Pioneer Mechanical Chrono$2,445
CISO M38 Field$695

Full specifications

Case

5 specs
Category
Pilot
Diameter
40mm
38mm
Thickness
14.35mm
12.45mm
Lug-to-Lug
50mm
43.6mm
Lug Width
22mm
20mm

Crystal & Dial

3 specs
AR Coating
Inner
Yes
Dial Color
Blue
Black
Lume
None
Superluminova

Movement

3 specs
Caliber
H-51-Si
TMI NH36
Type
Manual
Automatic
Power Reserve
60h
42h

Pricing

1 specs
MSRP
$2,445
$695

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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 Chrono

Owners and reviewers widely praise the Hamilton Khaki Aviation Pilot Pioneer Mechanical Chrono for its authentic military design, attractive dial execution, and intriguing asymmetrical case, with many appreciating its utilitarian feel and vintage vibe. The hand-wound H-51-Si movement, offering a 60-hour power reserve and accuracy around +5 to +7 seconds per day, is also noted positively, as is the satisfying feel of manual winding. Some owners find the 36mm case size light and versatile, while others note it wears larger than its dimensions suggest. However, several sources point to the mineral crystal as a drawback compared to sapphire, and the lume is generally described as weak. The included strap is frequently criticized for being too long and uncomfortable, with many preferring it on a NATO strap. On balance, owners and reviewers rate the Hamilton Khaki Aviation Pilot Pioneer Mechanical Chrono highly for its compelling vintage military aesthetic and solid value proposition.

Tornek-Rayville CISO M38 Field

Owners widely report the Tornek-Rayville CISO M38 Field offers high overall quality with a comfortable bracelet featuring single-sided screw links. The watch exhibits minimal wear, with only hairline scratches and a faint, difficult-to-photograph bezel mark. On balance, owners value the Tornek-Rayville CISO M38 Field for its robust build and comfortable wearability.

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