Side by side
Seiko Prospex Sea 1968 Heritage Diver's GMT WatchvsZero West S4 Blackout P9427 Spitfire
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
S4 Blackout P9427 Spitfire44mm
Power Reserve
Prospex Sea 1968 Heritage Diver's GMT Watch72h
S4 Blackout P9427 Spitfire38h
Water Resistance
Prospex Sea 1968 Heritage Diver's GMT Watch300m
S4 Blackout P9427 Spitfire100m
MSRP
Prospex Sea 1968 Heritage Diver's GMT Watch$1,700
S4 Blackout P9427 Spitfire—
Full specifications
Case
6 specsCategory
Diver
—
Diameter
42mm
44mm
Thickness
13.3mm
14.1mm
Lug-to-Lug
48.6mm
49.6mm
Lug Width
20mm
22mm
Water Resistance
300m
100m
Crystal & Dial
2 specsAR Coating
Anti-reflective coating on inner surface
Inner
Lume
LumiBrite on hands, index(es) and bezel
None
Movement
3 specsCaliber
6R54
ETA 2824
Power Reserve
72h
38h
Jewels
24
25
Pricing
1 specsMSRP
$1,700
—
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