Side by side

Cincinnati Watch Company P-40 A-11 PilotvsSeiko Prospex Sea 1965 Heritage Diver's Watch

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

P-40 A-11 Pilot
Cincinnati Watch CompanyP-40 A-11 Pilot
MSRP $695

At a glance

17 of 29 specs differ
Diameter
P-40 A-11 Pilot38mm
Prospex Sea 1965 Heritage Diver's Watch40mm
Power Reserve
P-40 A-11 Pilot65h
Prospex Sea 1965 Heritage Diver's Watch72h
Water Resistance
P-40 A-11 Pilot100m
Prospex Sea 1965 Heritage Diver's Watch300m
MSRP
P-40 A-11 Pilot$695
Prospex Sea 1965 Heritage Diver's Watch$1,300

Full specifications

Case

8 specs
Category
Pilot
Diver
Diameter
38mm
40mm
Thickness
10.8mm
13mm
Lug-to-Lug
46.5mm
46.4mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed and polished
Water Resistance
100m
300m
Caseback
Screw Down with Sapphire Display
Solid

Crystal & Dial

5 specs
Crystal Shape
Domed
Curved
AR Coating
Underside
Anti-reflective coating on inner surface
Dial Color
Black
Indices
Applied
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
Sellita SW200-2 b
6R55
Power Reserve
65h
72h
Jewels
26
24

Pricing

1 specs
MSRP
$695
$1,300

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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

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.

Seiko Prospex Sea 1965 Heritage Diver's Watch

The Seiko Prospex Sea 1965 Heritage Diver's Watch is praised for its refined engineering and updated features, including a 300m water resistance and a 72-hour power reserve from the Caliber 6R55 movement in a 40mm case. Owners note its better build quality and interesting finishing with a mix of polished and brushed surfaces. The "Tranquil Teal" variant features a jewel-toned dial with a rippling-water pattern. However, some owners consider the price too high, and concerns exist regarding the accuracy of the 6R movements, with some reporting theirs run slow. One review notes a reflective dial that impacts legibility. On balance, owners and reviewers appreciate the Seiko Prospex Sea 1965 Heritage Diver's Watch for its refined design and improved specifications over previous generations, despite some reservations about movement accuracy and price.

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