Which is cheaper, the Cincinnati Watch Company P-40 A-11 Pilot or the Seiko Prospex Sea Seiko Prospex 1965 Heritage Diver’s Watch Save the Ocean Limited Edition?

At MSRP the Cincinnati Watch Company P-40 A-11 Pilot is the cheaper of the two at $695, against $1,400 for the Seiko Prospex Sea Seiko Prospex 1965 Heritage Diver’s Watch Save the Ocean Limited Edition — a $705 gap before any retailer discounting.

Which is bigger, the Cincinnati Watch Company P-40 A-11 Pilot or the Seiko Prospex Sea Seiko Prospex 1965 Heritage Diver’s Watch Save the Ocean Limited Edition?

The Seiko Prospex Sea Seiko Prospex 1965 Heritage Diver’s Watch Save the Ocean Limited Edition wears larger at 40mm versus 38mm for the Cincinnati Watch Company P-40 A-11 Pilot — a 2mm difference across the dial.

Which has better water resistance, the Cincinnati Watch Company P-40 A-11 Pilot or the Seiko Prospex Sea Seiko Prospex 1965 Heritage Diver’s Watch Save the Ocean Limited Edition?

The Seiko Prospex Sea Seiko Prospex 1965 Heritage Diver’s Watch Save the Ocean Limited Edition is rated to 300m versus 100m for the Cincinnati Watch Company P-40 A-11 Pilot.

Which has a longer power reserve, the Cincinnati Watch Company P-40 A-11 Pilot or the Seiko Prospex Sea Seiko Prospex 1965 Heritage Diver’s Watch Save the Ocean Limited Edition?

The Seiko Prospex Sea Seiko Prospex 1965 Heritage Diver’s Watch Save the Ocean Limited Edition carries a 72-hour power reserve against 65 hours on the Cincinnati Watch Company P-40 A-11 Pilot.

What movement does the Cincinnati Watch Company P-40 A-11 Pilot run compared to the Seiko Prospex Sea Seiko Prospex 1965 Heritage Diver’s Watch Save the Ocean Limited Edition?

Both watches run automatic movements — the Cincinnati Watch Company P-40 A-11 Pilot uses the Sellita SW200-2 b and the Seiko Prospex Sea Seiko Prospex 1965 Heritage Diver’s Watch Save the Ocean Limited Edition uses the 6R55.

Side by side

Cincinnati Watch Company P-40 A-11 PilotvsSeiko Prospex Sea Seiko Prospex 1965 Heritage Diver’s Watch Save the Ocean Limited Edition

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

Cincinnati Watch Company P-40 A-11 Pilot

p-40-a-11

MSRP $695

Seiko Prospex Sea Seiko Prospex 1965 Heritage Diver’s Watch Save the Ocean Limited Edition

spb545j1

MSRP $1,400

At a glance

17 of 29 specs differ

Diameter

P-40 A-11 Pilot38mm

Prospex Sea Seiko Prospex 1965 Heritage Diver’s Watch Save the Ocean Limited Edition40mm

Power Reserve

P-40 A-11 Pilot65h

Prospex Sea Seiko Prospex 1965 Heritage Diver’s Watch Save the Ocean Limited Edition72h

Water Resistance

P-40 A-11 Pilot100m

Prospex Sea Seiko Prospex 1965 Heritage Diver’s Watch Save the Ocean Limited Edition300m

MSRP

P-40 A-11 Pilot$695

Prospex Sea Seiko Prospex 1965 Heritage Diver’s Watch Save the Ocean Limited Edition$1,400

Full specifications

Case

8 specs

Crystal & Dial

5 specs

Crystal Shape

Domed

Curved

AR Coating

Underside

Anti-reflective coating on inner surface

Dial Color

Brown

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

Pricing

1 specs

MSRP

$695

$1,400

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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.

Reddit·2

Seiko Prospex Sea Seiko Prospex 1965 Heritage Diver’s Watch Save the Ocean Limited Edition

The Prospex Sea Seiko Prospex 1965 Heritage Diver’s Watch Save the Ocean Limited Edition is praised for its compact 40mm case and the new Caliber 6R55 movement offering a 72-hour power reserve. Owners and reviewers highlight the stunning dials as a strong suit for Seiko. However, the 6R movement's accuracy is a point of disappointment for some, who wish for improvements closer to other movements, though others accept it given the excellent overall package. Press images suggest the bracelet end links may appear disjointed. Overall, owners and reviewers rate the Prospex Sea Seiko Prospex 1965 Heritage Diver’s Watch Save the Ocean Limited Edition well, with the stunning dials and improved power reserve being the biggest reasons.

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