Side by side
Seiko Prospex SeavsWilliam 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 Sea41mm
International Association of Fire41mm
Power Reserve
Prospex Sea70h
International Association of Fire40h
Water Resistance
Prospex Sea200m
International Association of Fire100m
MSRP
Prospex Sea$900
International Association of Fire$820
Full specifications
Case
4 specsThickness
12.3mm
15mm
Lug-to-Lug
46.9mm
49mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
200m
100m
Crystal & Dial
5 specsCrystal
Sapphire
Domed Sapphire
Crystal Shape
Curved
Flat
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
6R35
Seiko NH35
Power Reserve
70h
40h
Jewels
24
25
Pricing
1 specsMSRP
$900
$820
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