Side by side

Seiko 5KXvsWilliam Wood International Association of Fire

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

5KX
Seiko5KX
MSRP $350
International Association of Fire
William WoodInternational Association of Fire
MSRP $820

At a glance

12 of 29 specs differ
Diameter
5KX42.5mm
International Association of Fire41mm
Power Reserve
5KX41h
International Association of Fire40h
Water Resistance
5KX100m
International Association of Fire100m
MSRP
5KX$350
International Association of Fire$820

Full specifications

Case

5 specs
Diameter
42.5mm
41mm
Thickness
13.4mm
15mm
Lug-to-Lug
46mm
49mm
Lug Width
22mm
20mm
Material
Stainless Steel
316L Stainless Steel

Crystal & Dial

3 specs
Crystal
Hardlex
Domed Sapphire
Dial Color
Black
Standard
Lume
LumiBrite on hands and index(es)
None

Movement

3 specs
Caliber
4R36
Seiko NH35
Power Reserve
41h
40h
Jewels
24
25

Pricing

1 specs
MSRP
$350
$820

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