Which is cheaper, the Cincinnati Watch Company P-40 A-11 Pilot or the Seiko Prospex SPEEDTIMER Mechanical?

At MSRP the Cincinnati Watch Company P-40 A-11 Pilot is the cheaper of the two at $695, against $995 for the Seiko Prospex SPEEDTIMER Mechanical — a $300 gap before any retailer discounting.

Which is bigger, the Cincinnati Watch Company P-40 A-11 Pilot or the Seiko Prospex SPEEDTIMER Mechanical?

The Seiko Prospex SPEEDTIMER Mechanical wears larger at 39.5mm versus 38mm for the Cincinnati Watch Company P-40 A-11 Pilot — a 1.5mm difference across the dial.

Which has better water resistance, the Cincinnati Watch Company P-40 A-11 Pilot or the Seiko Prospex SPEEDTIMER Mechanical?

The Cincinnati Watch Company P-40 A-11 Pilot is rated to 100m versus 20m for the Seiko Prospex SPEEDTIMER Mechanical.

Which has a longer power reserve, the Cincinnati Watch Company P-40 A-11 Pilot or the Seiko Prospex SPEEDTIMER Mechanical?

The Seiko Prospex SPEEDTIMER Mechanical 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 SPEEDTIMER Mechanical?

Both watches run automatic movements — the Cincinnati Watch Company P-40 A-11 Pilot uses the Sellita SW200-2 b and the Seiko Prospex SPEEDTIMER Mechanical uses the 6R55.

Side by side

Cincinnati Watch Company P-40 A-11 PilotvsSeiko Prospex SPEEDTIMER Mechanical

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 SPEEDTIMER Mechanical

spb513j1

MSRP $995

At a glance

17 of 29 specs differ

Diameter

P-40 A-11 Pilot38mm

Prospex SPEEDTIMER Mechanical39.5mm

Power Reserve

P-40 A-11 Pilot65h

Prospex SPEEDTIMER Mechanical72h

Water Resistance

P-40 A-11 Pilot100m

Prospex SPEEDTIMER Mechanical200m

MSRP

P-40 A-11 Pilot$695

Prospex SPEEDTIMER Mechanical$995

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 and index(es)

Movement

3 specs

Caliber

Sellita SW200-2 b

6R55

Power Reserve

65h

72h

Jewels

Pricing

1 specs

MSRP

$695

$995

Follow this matchup

Get a note when Cincinnati Watch Company P-40 A-11 Pilot vs Seiko Prospex SPEEDTIMER Mechanical gets more votes, a community discussion, or a price drop. No account needed.

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 SPEEDTIMER Mechanical

The Seiko Prospex SPEEDTIMER Mechanical is praised for its visually appealing design and comfortable wearability, with owners frequently using its chronograph function for daily tasks. Reviewers note its clean dial layout and LumiBrite treated hands and markers, and one source highlights the 72-hour power reserve of the 6R55 movement. However, some owners criticize its chronograph functionality and the 24-hour subdial. On balance, owners and reviewers rate the Seiko Prospex SPEEDTIMER Mechanical highly for its daily usability and refined aesthetics.

Time + Tide

Monochrome

Keep exploring