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Cincinnati Watch Company P-40 A-11 Pilot Black AutomaticvsSeiko Diamond Collection

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
Diamond Collection
SeikoDiamond Collection
MSRP $525
What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

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.

Seiko Diamond Collection

Owners widely praise the Seiko Diamond Collection for its stunning beauty, particularly highlighting the 14 diamonds and the captivating mother-of-pearl dial. Its 33.2mm case size, 100m water resistance, sapphire crystal, and lightweight build are appreciated features contributing to comfortable wear. Some owners find the dial detail is best appreciated in direct sunlight. The gold plating on some models may show fading from desk work over time. Overall, owners rate the Seiko Diamond Collection highly for its dazzling aesthetics and comfortable, well-finished design at its price point.

At a glance

16 of 29 specs differ
Diameter
P-40 A-11 Pilot Black Automatic38mm
Diamond Collection32mm
Power Reserve
P-40 A-11 Pilot Black Automatic65h
Diamond Collection40h
Water Resistance
P-40 A-11 Pilot Black Automatic100m
Diamond Collection100m
MSRP
P-40 A-11 Pilot Black Automatic$895
Diamond Collection$525

Full specifications

Case

8 specs
Category
Pilot
Dress
Diameter
38mm
32mm
Thickness
10.8mm
8.2mm
Lug-to-Lug
46.5mm
39mm
Lug Width
20mm
15mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed and polished
Caseback
Screw Down w/ Sapphire Display
Solid

Crystal & Dial

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

Movement

3 specs
Caliber
Sellita SW200-2
6N32
Power Reserve
65h
40h
Jewels
26
25

Pricing

1 specs
MSRP
$895
$525
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