Side by side

Cincinnati Watch Company P-40 A-11 Pilot Black AutomaticvsFormex Reef 39.5 mm

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
Reef 39.5 mm
FormexReef 39.5 mm
MSRP $2,230

At a glance

18 of 29 specs differ
Diameter
P-40 A-11 Pilot Black Automatic38mm
Reef 39.5 mm39.5mm
Power Reserve
P-40 A-11 Pilot Black Automatic65h
Reef 39.5 mm56h
Water Resistance
P-40 A-11 Pilot Black Automatic100m
Reef 39.5 mm300m
MSRP
P-40 A-11 Pilot Black Automatic$895
Reef 39.5 mm$2,230

Full specifications

Case

9 specs
Category
Pilot
Diver
Diameter
38mm
39.5mm
Thickness
10.8mm
11mm
Lug-to-Lug
46.5mm
45.5mm
Lug Width
20mm
22mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed and polished
Water Resistance
100m
300m
Caseback
Screw Down w/ Sapphire Display
Solid

Crystal & Dial

5 specs
Crystal Shape
Domed
Flat
AR Coating
Underside
Inner
Dial Color
Black
Bahama Blue
Indices
Applied
Lume
X1 C3
Super-LumiNova

Movement

3 specs
Caliber
Sellita SW200-2
Sellita SW300-1
Power Reserve
65h
56h
Jewels
26
25

Pricing

1 specs
MSRP
$895
$2,230

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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.

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.

Formex Reef 39.5 mm

The Formex Reef 39.5 mm is widely praised for its refined finishing, comfortable and well-proportioned case design, and impressive specifications for its price point, including COSC-certified Sellita SW300-1 movement and 300m water resistance. Owners and reviewers highlight the tool-less micro-adjust clasp and quick-release spring bars as practical features. Some reviewers note that the 22mm lug width feels slightly disproportionate to the smaller case, and the bracelet could benefit from more taper, though this is a point of contention for some owners who value the overall package. A prototype crown protrusion issue is noted as being addressed for production. On balance, owners and reviewers rate the Formex Reef 39.5 mm highly for its excellent value and well-executed design.

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