Side by side

Seiko Prospex SeavsCincinnati Watch Company Union Terminal Mechanical

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

Prospex Sea
SeikoProspex Sea
MSRP $900
Union Terminal Mechanical
Cincinnati Watch CompanyUnion Terminal Mechanical
MSRP $650

At a glance

20 of 29 specs differ
Diameter
Prospex Sea41mm
Union Terminal Mechanical38mm
Power Reserve
Prospex Sea70h
Union Terminal Mechanical
Water Resistance
Prospex Sea200m
Union Terminal Mechanical30m
MSRP
Prospex Sea$900
Union Terminal Mechanical$650

Full specifications

Case

9 specs
Category
Diver
Dress
Diameter
41mm
38mm
Thickness
12.3mm
0mm
Lug-to-Lug
46.9mm
0mm
Lug Width
20mm
0mm
Material
Stainless Steel
316L Stainless Steel
Finish
Brushed and polished
Water Resistance
200m
30m
Caseback
Solid

Crystal & Dial

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

Movement

5 specs
Caliber
6R35
Sellita SW210
Type
Automatic
Manual
Beat Rate
28,800 vph
0 vph
Power Reserve
70h
0h
Jewels
24
0

Pricing

1 specs
MSRP
$900
$650

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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.

Seiko Prospex Sea

Owners widely praise the Seiko Prospex Sea for its excellent lume, robust build, and value, with many highlighting the comfortable 4 o'clock crown and reliable movements. Reviewers note impressive case finishing and attractive dials, with specific models lauded for their gradient blue designs and smooth bezel actions. Accuracy figures vary, with one owner reporting +9 seconds/day after demagnetization, while others find the watches to be good first "proper" watches. Some owners find the stock rubber straps uncomfortable or the overall size substantial on smaller wrists. On balance, owners and reviewers rate the Seiko Prospex Sea highly for its combination of strong dive watch functionality and appealing design at its price point.

Cincinnati Watch Company Union Terminal Mechanical

Owners praise the Cincinnati Watch Company Union Terminal Mechanical for its striking design and historical significance, particularly for Cincinnati natives. One owner highlights its suitability as a dress watch, finding it wears well on a leather strap. The watch is noted for its colors and design inspired by the Union Terminal clock, with a portion of sales supporting the landmark. At just over $350, it is considered a good value despite not featuring a high-end movement, strap, or crystal. Overall, owners rate the Cincinnati Watch Company Union Terminal Mechanical highly for its unique design and local historical connection at an accessible price point.

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