Side by side

Oris ProPilot X Calibre 400 LaservsHamilton Khaki Aviation Pilot Pioneer Mechanical Chrono

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

ProPilot X Calibre 400 Laser
OrisProPilot X Calibre 400 Laser
MSRP $5,750

At a glance

18 of 29 specs differ
Diameter
ProPilot X Calibre 400 Laser39mm
Khaki Aviation Pilot Pioneer Mechanical Chrono40mm
Power Reserve
ProPilot X Calibre 400 Laser120 hoursh
Khaki Aviation Pilot Pioneer Mechanical Chrono60h
Water Resistance
ProPilot X Calibre 400 Laser100m
Khaki Aviation Pilot Pioneer Mechanical Chrono100m
MSRP
ProPilot X Calibre 400 Laser$5,750
Khaki Aviation Pilot Pioneer Mechanical Chrono$2,445

Full specifications

Case

8 specs
Category
Pilot
Diameter
39mm
40mm
Thickness
14.35mm
Lug-to-Lug
50mm
Lug Width
20mm
22mm
Material
Titanium
Stainless Steel
Finish
Brushed and polished
Caseback
Solid

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Underside
Inner
Dial Color
750
Blue
Indices
Applied

Movement

5 specs
Caliber
400
H-51-Si
Type
Automatic
Manual
Beat Rate
4 vph
28,800 vph
Power Reserve
120 hoursh
60h
Jewels
21
25

Pricing

1 specs
MSRP
$5,750
$2,445

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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.

Oris ProPilot X Calibre 400 Laser

The Oris ProPilot X Calibre 400 Laser is praised for its high-tech laser-etched titanium dial and the advanced Calibre 400 movement with a 120-hour power reserve. However, the dial's unique rainbow gradient is polarizing, with one owner finding it childish and preferring applied indices for better legibility and lume, while reviewers note the case shape may still require adjustment. The CHF 4,800 price is also flagged as steep for a time-only watch. On balance, owners and reviewers acknowledge the innovative dial and movement, but opinions are divided on its aesthetic appeal and value proposition.

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.

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