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Seiko Prospex Sea 1965 Heritage Diver's WatchvsCincinnati Watch Company The Cincinnatus Blue

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

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.

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.

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
Prospex Sea 1965 Heritage Diver's Watch40mm
The Cincinnatus Blue38mm
Power Reserve
Prospex Sea 1965 Heritage Diver's Watch72h
The Cincinnatus Blue45h
Water Resistance
Prospex Sea 1965 Heritage Diver's Watch300m
The Cincinnatus Blue100m
MSRP
Prospex Sea 1965 Heritage Diver's Watch$1,300
The Cincinnatus Blue$695

Full specifications

Case

8 specs
Category
Diver
Field
Diameter
40mm
38mm
Thickness
13mm
10.2mm
Lug-to-Lug
46.4mm
46.5mm
Material
Stainless Steel
316L Stainless Steel
Finish
Brushed and polished
Water Resistance
300m
100m
Caseback
Solid
Screw Down Steel

Crystal & Dial

5 specs
Crystal Shape
Curved
Domed
AR Coating
Anti-reflective coating on inner surface
Underside
Dial Color
Black
Blue
Indices
Applied
Lume
LumiBrite on hands, index(es) and bezel
BGW9

Movement

4 specs
Caliber
6R55
Sellita SW210-1
Type
Automatic
Manual
Power Reserve
72h
45h
Jewels
24
18

Pricing

1 specs
MSRP
$1,300
$695
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