Side by side

Seiko Prospex SeavsStewart Dawson Royal Marines

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

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Prospex Sea
SeikoProspex Sea
MSRP $1,500
Royal Marines
Stewart DawsonRoyal Marines
MSRP $1,451
Buy from Seiko ↗
Buy used on eBay ↗
Buy from Stewart Dawson ↗
Buy used on eBay ↗

At a glance

14 of 29 specs differ
Diameter
Prospex Sea43.5mm
Royal Marines42mm
Power Reserve
Prospex Sea70h
Royal Marines41h
Water Resistance
Prospex Sea200m
Royal Marines100m
MSRP
Prospex Sea$1,500
Royal Marines$1,451

Full specifications

Case

7 specs
Category
Diver
—
Diameter
43.5mm
42mm
Thickness
13.3mm
12.5mm
Lug-to-Lug
51mm
48mm
Lug Width
22mm
—
Material
Titanium
Stainless Steel
Water Resistance
200m
100m

Crystal & Dial

3 specs
AR Coating
Anti-reflective coating on inner surface
Inner
Dial Color
Black
Green
Lume
LumiBrite on hands and index(es)
Super-LumiNova

Movement

3 specs
Caliber
6R35
Sellita SW200
Power Reserve
70h
41h
Jewels
24
25

Pricing

1 specs
MSRP
$1,500
—
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