Side by side

Seiko Prospex SeavsVario 1918 Trench Brass

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

Prospex Sea
SeikoProspex Sea
MSRP $595
1918 Trench Brass
Vario1918 Trench Brass
MSRP $388

At a glance

14 of 29 specs differ
Diameter
Prospex Sea41.7mm
1918 Trench Brass40mm
Power Reserve
Prospex Sea41h
1918 Trench Brass40h
Water Resistance
Prospex Sea200m
1918 Trench Brass100m
MSRP
Prospex Sea$595
1918 Trench Brass$388

Full specifications

Case

7 specs
Category
Diver
Field
Diameter
41.7mm
40mm
Thickness
12.3mm
10mm
Lug-to-Lug
49.5mm
45mm
Lug Width
20mm
18mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
200m
100m

Crystal & Dial

3 specs
Crystal
Hardlex
Domed Sapphire
Dial Color
Black
White
Lume
LumiBrite on hands, index(es) and bezel
None

Movement

3 specs
Caliber
4R35
Miyota 82s5
Power Reserve
41h
40h
Jewels
23
25

Pricing

1 specs
MSRP
$595
$388

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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 and reviewers widely praise the Seiko Prospex Sea for its excellent value, robust build, and superior lume, with many noting its comfortable wearability and faithful design recreations. Some owners report the watch can feel big, thick, and heavy on smaller wrists, while others find the sizing perfect. The bezel action is frequently highlighted as smooth and precise, often exceeding that of less expensive models. On balance, owners and reviewers rate the Seiko Prospex Sea highly for its impressive finishing and value proposition.

Vario 1918 Trench Brass

Owners widely praise the Vario 1918 Trench Brass for its attractive, precisely made dial and case, with the evolving brass patina noted as a positive feature. The bund strap is considered comfortable and well-fitting by some, though others find it stiff and short for larger wrists. The lume is considered poor. The Miyota 82s5 movement is described as adequate, with accuracy ranging from about -10 seconds per day to simply running slow. On balance, owners rate the Vario 1918 Trench Brass highly for its fantastic looks and the unique character of its brass case.

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