Side by side

Cincinnati Watch Company P-40 A-11 PilotvsSeestern S450 Ocean Star

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
S450 Ocean Star
SeesternS450 Ocean Star
MSRP $299

At a glance

17 of 29 specs differ
Diameter
P-40 A-11 Pilot38mm
S450 Ocean Star40mm
Power Reserve
P-40 A-11 Pilot65h
S450 Ocean Star41h
Water Resistance
P-40 A-11 Pilot100m
S450 Ocean Star100m
MSRP
P-40 A-11 Pilot$695
S450 Ocean Star$299

Full specifications

Case

6 specs
Category
Pilot
Diver
Diameter
38mm
40mm
Thickness
10.8mm
12mm
Lug-to-Lug
46.5mm
48mm
Finish
Brushed and polished
Caseback
Screw Down with Sapphire Display
Solid

Crystal & Dial

5 specs
Crystal Shape
Domed
Flat
AR Coating
Underside
Inner
Dial Color
Brown
White
Indices
Applied
Lume
None
Tritium

Movement

5 specs
Caliber
Sellita SW200-2 b
TMI NH35A
Beat Rate
28,800 vph
21,600 vph
Power Reserve
65h
41h
Jewels
26
24
Complications
None
GMT, Date

Pricing

1 specs
MSRP
$695
$299

Follow this matchup

Get a note when Cincinnati Watch Company P-40 A-11 Pilot vs Seestern S450 Ocean Star 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.

Seestern S450 Ocean Star

Owners widely praise the Seestern S450 Ocean Star's Yachtmaster-style case and flawless bracelet finishing, with one owner noting the ST2130 movement keeps good time. The bezel action is described as having individual notches but feeling like a friction bezel, while another owner flags the bezel and crown action as smooth with perfect alignment. Lume is a point of contention, with one source describing it as a nice cool blue with ice-white application, while others note it as weak or not matching Prospex standards, despite using BGW-9. The watch is considered a "big boy" ideal for larger wrists (19cm+), potentially too large for 17cm wrists due to its size and non-tapering bracelet. Overall, owners rate the Seestern S450 Ocean Star highly for its build quality and finishing at the price point, despite some reservations about its size and lume intensity.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.