Which is cheaper, the Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch or the William Wood International Association of Fire?

At MSRP the William Wood International Association of Fire is the cheaper of the two at $820, against $3,600 for the Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch — a $2,780 gap before any retailer discounting.

Which is bigger, the Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch or the William Wood International Association of Fire?

The Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch wears larger at 42.6mm versus 41mm for the William Wood International Association of Fire — a 1.6mm difference across the dial.

What movement does the Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch run compared to the William Wood International Association of Fire?

Both watches run automatic movements — the Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch uses the 8L45 and the William Wood International Association of Fire uses the Seiko NH35.

Side by side

Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's WatchvsWilliam Wood International Association of Fire

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

Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch

hbf001j1

MSRP $3,600

William Wood International Association of Fire

william-wood-iafc

MSRP $820

At a glance

14 of 29 specs differ

Diameter

Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch42.6mm

International Association of Fire41mm

Power Reserve

Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch72h

International Association of Fire40h

Water Resistance

Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch300m

International Association of Fire100m

MSRP

Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch$3,600

International Association of Fire$820

Full specifications

Case

5 specs

Diameter

42.6mm

41mm

Thickness

14.1mm

15mm

Lug-to-Lug

49.3mm

49mm

Material

Stainless Steel

316L Stainless Steel

Water Resistance

300m

100m

Crystal & Dial

5 specs

Crystal

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 specs

Caliber

8L45

Seiko NH35

Power Reserve

72h

40h

Jewels

Pricing

1 specs

MSRP

$3,600

$820

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