Side by side
Seiko Prospex Sea 1968 Heritage Diver's GMT WatchvsXicorr Watches FSO M20.21
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
11 of 29 specs differDiameter
Prospex Sea 1968 Heritage Diver's GMT Watch42mm
FSO M20.2142mm
Power Reserve
Prospex Sea 1968 Heritage Diver's GMT Watch72h
FSO M20.2142h
Water Resistance
Prospex Sea 1968 Heritage Diver's GMT Watch300m
FSO M20.21100m
MSRP
Prospex Sea 1968 Heritage Diver's GMT Watch$1,700
FSO M20.21$631
Full specifications
Case
5 specsCategory
Diver
—
Thickness
13.3mm
11.7mm
Lug-to-Lug
48.6mm
46mm
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
SuperLuminova
Movement
3 specsCaliber
6R54
Seagull ST2130
Power Reserve
72h
42h
Jewels
24
25
Pricing
1 specsMSRP
$1,700
$631
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