Side by side

Hamilton Khaki Aviation Pilot Day-Date - Air Zermatt AutovsCincinnati Watch Company P-40 A-11 Pilot

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

At a glance

14 of 29 specs differ
Diameter
Khaki Aviation Pilot Day-Date - Air Zermatt Auto42mm
P-40 A-11 Pilot38mm
Power Reserve
Khaki Aviation Pilot Day-Date - Air Zermatt Auto80h
P-40 A-11 Pilot65h
Water Resistance
Khaki Aviation Pilot Day-Date - Air Zermatt Auto100m
P-40 A-11 Pilot100m
MSRP
Khaki Aviation Pilot Day-Date - Air Zermatt Auto$1,075
P-40 A-11 Pilot$695

Full specifications

Case

6 specs
Diameter
42mm
38mm
Thickness
12.15mm
10.8mm
Lug-to-Lug
46mm
46.5mm
Material
Stainless Steel
316L Stainless Steel
Finish
Brushed and polished
Caseback
Solid
Screw Down with Sapphire Display

Crystal & Dial

4 specs
Crystal Shape
Flat
Domed
AR Coating
Inner
Underside
Dial Color
Black
Brown
Indices
Applied

Movement

3 specs
Caliber
H-40
Sellita SW200-2 b
Power Reserve
80h
65h
Jewels
25
26

Pricing

1 specs
MSRP
$1,075
$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 Day-Date - Air Zermatt Auto

The Hamilton Khaki Aviation Pilot Day-Date - Air Zermatt Auto is widely praised for its value, with reviewers noting the Swatch Group's economies of scale contribute to its affordability. Owners and reviewers highlight the large, easy-to-read dial, with one source specifically mentioning the "ice-cold" blue degradé sub-dials as an unusual chromatic anomaly for its price point, and another noting the painted, luminous indices as a significant advantage. The 42mm case is described as offering a nice mix of brushed and polished finishes, and the slightly domed sapphire crystal enhances readability. The H-21 caliber provides a 60-hour power reserve and an anti-magnetic silicon balance spring, while the ETA 2834-2 movement offers precise day/date changes, though one source notes its 40-hour power reserve requires weekly winding. Some criticism is directed at the use of three different fonts and inconsistent color matching for the day/date indicators.

Cincinnati Watch Company P-40 A-11 Pilot

Owners widely praise the Cincinnati Watch Company P-40 A-11 Pilot for its great size, comfortable bracelet, phenomenal timekeeping, simple design, and great craftsmanship. One owner notes the finishing is sharp. Some users wish for a smaller size, and one owner points out the quick-release spring bars can dig in while the bracelet lacks micro-adjustments. Overall, owners rate the Cincinnati Watch Company P-40 A-11 Pilot highly for its great size and phenomenal timekeeping.

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