Side by side
Seiko Prospex SeavsWilliam Wood Extinguisher Watch
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
14 of 29 specs differDiameter
Prospex Sea43.8mm
Extinguisher Watch41mm
Power Reserve
Prospex Sea41h
Extinguisher Watch40h
Water Resistance
Prospex Sea200m
Extinguisher Watch100m
MSRP
Prospex Sea$625
Extinguisher Watch$995
Full specifications
Case
6 specsDiameter
43.8mm
41mm
Thickness
12.8mm
15mm
Lug-to-Lug
48.7mm
49mm
Lug Width
22mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
200m
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
4R35
Seiko NH35
Power Reserve
41h
40h
Jewels
23
25
Pricing
1 specsMSRP
$625
$995
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