Side by side
Seiko Prospex Sea 1968 Heritage Diver's GMT WatchvsStewart Dawson Royal Marines
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
Prospex Sea 1968 Heritage Diver's GMT Watch42mm
Royal Marines42mm
Power Reserve
Prospex Sea 1968 Heritage Diver's GMT Watch72h
Royal Marines41h
Water Resistance
Prospex Sea 1968 Heritage Diver's GMT Watch300m
Royal Marines100m
MSRP
Prospex Sea 1968 Heritage Diver's GMT Watch$1,700
Royal Marines$1,451
Full specifications
Case
5 specsCategory
Diver
—
Thickness
13.3mm
12.5mm
Lug-to-Lug
48.6mm
48mm
Lug Width
20mm
—
Water Resistance
300m
100m
Crystal & Dial
3 specsAR Coating
Anti-reflective coating on inner surface
Inner
Dial Color
Black
Green
Lume
LumiBrite on hands, index(es) and bezel
Super-LumiNova
Movement
3 specsCaliber
6R54
Sellita SW200
Power Reserve
72h
41h
Jewels
24
25
Pricing
1 specsMSRP
$1,700
—
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