Side by side
Seiko Prospex Sea 1968 Heritage Diver's GMTvsVaer D4 Outerknown Solar Diver
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
13 of 29 specs differDiameter
Prospex Sea 1968 Heritage Diver's GMT42mm
D4 Outerknown Solar Diver39mm
Power Reserve
Prospex Sea 1968 Heritage Diver's GMT72h
D4 Outerknown Solar Diver40h
Water Resistance
Prospex Sea 1968 Heritage Diver's GMT200m
D4 Outerknown Solar Diver200m
MSRP
Prospex Sea 1968 Heritage Diver's GMT$1,500
D4 Outerknown Solar Diver$549
Full specifications
Case
4 specsDiameter
42mm
39mm
Thickness
12.9mm
13.18mm
Lug-to-Lug
48.6mm
46mm
Material
Stainless Steel
316L Stainless Steel
Crystal & Dial
4 specsCrystal
Sapphire
Domed Sapphire
AR Coating
Anti-reflective coating on inner surface
Inner
Dial Color
Black
Blue
Lume
LumiBrite on hands, index(es) and bezel
None
Movement
4 specsCaliber
6R54
—
Type
Automatic
Quartz
Power Reserve
72h
40h
Jewels
24
25
Pricing
1 specsMSRP
$1,500
$549
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