Side by side
Seiko Prospex Sea 1968 Heritage Diver's GMT WatchvsWilliam Wood International Association of Fire
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 Sea 1968 Heritage Diver's GMT Watch42mm
International Association of Fire41mm
Power Reserve
Prospex Sea 1968 Heritage Diver's GMT Watch72h
International Association of Fire40h
Water Resistance
Prospex Sea 1968 Heritage Diver's GMT Watch300m
International Association of Fire100m
MSRP
Prospex Sea 1968 Heritage Diver's GMT Watch$1,700
International Association of Fire$820
Full specifications
Case
5 specsDiameter
42mm
41mm
Thickness
13.3mm
15mm
Lug-to-Lug
48.6mm
49mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
100m
Crystal & Dial
4 specsCrystal
Sapphire
Domed Sapphire
AR Coating
Anti-reflective coating on inner surface
Inner
Dial Color
Black
Standard
Lume
LumiBrite on hands, index(es) and bezel
None
Movement
3 specsCaliber
6R54
Seiko NH35
Power Reserve
72h
40h
Jewels
24
25
Pricing
1 specsMSRP
$1,700
$820
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