Side by side
Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's WatchvsVaer D4 Outerknown Solar Diver
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
15 of 29 specs differDiameter
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch42.6mm
D4 Outerknown Solar Diver39mm
Power Reserve
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch72h
D4 Outerknown Solar Diver40h
Water Resistance
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch300m
D4 Outerknown Solar Diver200m
MSRP
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch$3,600
D4 Outerknown Solar Diver$549
Full specifications
Case
5 specsDiameter
42.6mm
39mm
Thickness
14.1mm
13.18mm
Lug-to-Lug
49.3mm
46mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
200m
Crystal & Dial
5 specsCrystal
Sapphire
Domed Sapphire
Crystal Shape
Curved
Flat
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
8L45
—
Type
Automatic
Quartz
Power Reserve
72h
40h
Jewels
35
25
Pricing
1 specsMSRP
$3,600
$549
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