Side by side

Seestern S450 Ocean StarvsCincinnati Watch Company The Cincinnatus Blue

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

S450 Ocean Star
SeesternS450 Ocean Star
MSRP $299
The Cincinnatus Blue
Cincinnati Watch CompanyThe Cincinnatus Blue
MSRP $695
What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

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.

Cincinnati Watch Company The Cincinnatus Blue

Owners widely praise the Cincinnati Watch Company The Cincinnatus Blue for its versatile design, pleasant manual winding action, and the value offered by its Sellita SW200-2 automatic movement, especially considering its USA assembly. The textured dial, often described as a "sandpaper dial" that shines in the sun, along with applied numerals and dark blue hands, are frequently highlighted as attractive features. Its 38mm or 39mm diameter and 47mm lug-to-lug dimensions are noted for good wearability on smaller wrists, though one owner found it necessary to remove four links for a proper fit. The lume is described as legible but dim. Overall, owners rate the Cincinnati Watch Company The Cincinnatus Blue highly for its distinctive dial and value at the price point.

At a glance

18 of 29 specs differ
Diameter
S450 Ocean Star40mm
The Cincinnatus Blue38mm
Power Reserve
S450 Ocean Star41h
The Cincinnatus Blue45h
Water Resistance
S450 Ocean Star100m
The Cincinnatus Blue100m
MSRP
S450 Ocean Star$299
The Cincinnatus Blue$695

Full specifications

Case

6 specs
Category
Diver
Field
Diameter
40mm
38mm
Thickness
12mm
10.2mm
Lug-to-Lug
48mm
46.5mm
Finish
Brushed and polished
Caseback
Solid
Screw Down Steel

Crystal & Dial

5 specs
Crystal Shape
Flat
Domed
AR Coating
Inner
Underside
Dial Color
White
Blue
Indices
Applied
Lume
Tritium
BGW9

Movement

6 specs
Caliber
TMI NH35A
Sellita SW210-1
Type
Automatic
Manual
Beat Rate
21,600 vph
28,800 vph
Power Reserve
41h
45h
Jewels
24
18
Complications
GMT, Date
None

Pricing

1 specs
MSRP
$299
$695
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.

Follow this matchup

Get a note when Seestern S450 Ocean Star vs Cincinnati Watch Company The Cincinnatus Blue gets more votes, a community discussion, or a price drop. No account needed.

Adjacent matchups

People also compared

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