Side by side
Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's WatchvsMKII Key West
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 Marinemaster Marinemaster 1968 Heritage Diver's Watch42.6mm
Key West40mm
Power Reserve
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch72h
Key West—
Water Resistance
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch300m
Key West200m
MSRP
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch$3,600
Key West$1,694
Full specifications
Case
6 specsCategory
Diver
—
Diameter
42.6mm
40mm
Thickness
14.1mm
—
Lug-to-Lug
49.3mm
—
Lug Width
20mm
—
Water Resistance
300m
200m
Crystal & Dial
3 specsCrystal Shape
Curved
Flat
AR Coating
Anti-reflective coating on inner surface
Inner
Lume
LumiBrite on hands, index(es) and bezel
None
Movement
3 specsCaliber
8L45
ETA 2893-2
Power Reserve
72h
—
Jewels
35
25
Pricing
1 specsMSRP
$3,600
—
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