Side by side

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

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

P-40 A-11 Pilot Black Automatic
Cincinnati Watch CompanyP-40 A-11 Pilot Black Automatic
MSRP $895

At a glance

14 of 29 specs differ
Diameter
Khaki Aviation Pilot Day-Date - Air Zermatt Auto42mm
P-40 A-11 Pilot Black Automatic38mm
Power Reserve
Khaki Aviation Pilot Day-Date - Air Zermatt Auto80h
P-40 A-11 Pilot Black Automatic65h
Water Resistance
Khaki Aviation Pilot Day-Date - Air Zermatt Auto100m
P-40 A-11 Pilot Black Automatic100m
MSRP
Khaki Aviation Pilot Day-Date - Air Zermatt Auto$1,075
P-40 A-11 Pilot Black Automatic$895

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 w/ Sapphire Display

Crystal & Dial

4 specs
Crystal Shape
Flat
Domed
AR Coating
Inner
Underside
Indices
Applied
Lume
None
X1 C3

Movement

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

Pricing

1 specs
MSRP
$1,075
$895

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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 Black Automatic

Owners widely praise the Cincinnati Watch Company P-40 A-11 Pilot Black Automatic for its sharp finishing, textured pearlescent dial, and excellent lume. The simple, understated design and comfortable 38mm size are also frequently highlighted. Some owners note the bracelet lacks quick micro-adjustments and the quick-release spring bars can dig into the wrist. One owner found the lume blocks potentially thinner and the font on larger numbers less desirable than a standard typeface, though the seconds hand was considered a success. Overall, owners highly recommend the Cincinnati Watch Company P-40 A-11 Pilot Black Automatic for its great craftsmanship and value.

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