Side by side
Seiko Prospex Sea 1968 Heritage Diver's GMTvsZero 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 GMT42mm
S4 Blackout P9427 Spitfire44mm
Power Reserve
Prospex Sea 1968 Heritage Diver's GMT72h
S4 Blackout P9427 Spitfire38h
Water Resistance
Prospex Sea 1968 Heritage Diver's GMT200m
S4 Blackout P9427 Spitfire100m
MSRP
Prospex Sea 1968 Heritage Diver's GMT$1,500
S4 Blackout P9427 Spitfire—
Full specifications
Case
6 specsCategory
Diver
—
Diameter
42mm
44mm
Thickness
12.9mm
14.1mm
Lug-to-Lug
48.6mm
49.6mm
Lug Width
20mm
22mm
Water Resistance
200m
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
$1,500
—
More watches worth a look
Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.
Follow this matchup
Get a note when Seiko Prospex Sea 1968 Heritage Diver's GMT vs Zero West S4 Blackout P9427 Spitfire gets more votes, a community discussion, or a price drop. No account needed.
People also compared
Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.
Geckota Sea-Hunter Dive WatchvsZero West S4 Blackout P9427 SpitfireCWC 1980 RN Divers Automatic Re-Issue WatchvsZero West S4 Blackout P9427 SpitfireEcho/Neutra Cristallo Professional Diver 500mvsZero West S4 Blackout P9427 SpitfireGeckota PhalanxvsZero West S4 Blackout P9427 SpitfireSeiko Prospex Sea 1968 Heritage Diver's GMTvsZero West RAF-C (1940)Seiko Prospex Sea 1968 Heritage Diver's GMTvsZero West L1 1884 Longitude