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 $900
1918 Trench Brass
Vario1918 Trench Brass
MSRP $388

At a glance

16 of 29 specs differ
Diameter
Prospex Sea41mm
1918 Trench Brass40mm
Power Reserve
Prospex Sea70h
1918 Trench Brass40h
Water Resistance
Prospex Sea200m
1918 Trench Brass100m
MSRP
Prospex Sea$900
1918 Trench Brass$388

Full specifications

Case

7 specs
Category
Diver
Field
Diameter
41mm
40mm
Thickness
12.3mm
10mm
Lug-to-Lug
46.9mm
45mm
Lug Width
20mm
18mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
200m
100m

Crystal & Dial

5 specs
Crystal
Sapphire
Domed Sapphire
Crystal Shape
Curved
Flat
AR Coating
Anti-reflective coating on inner surface
Inner
Dial Color
Black
White
Lume
LumiBrite on hands, index(es) and bezel
None

Movement

3 specs
Caliber
6R35
Miyota 82s5
Power Reserve
70h
40h
Jewels
24
25

Pricing

1 specs
MSRP
$900
$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 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.

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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