Which is cheaper, the Seiko Prospex Marinemaster Marinemaster 1965 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 $2,800 for the Seiko Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch — a $1,980 gap before any retailer discounting.

Which is bigger, the Seiko Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch or the William Wood International Association of Fire?

The William Wood International Association of Fire wears larger at 41mm versus 39.5mm for the Seiko Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch — a 1.5mm difference across the dial.

What movement does the Seiko Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch run compared to the William Wood International Association of Fire?

Both watches run automatic movements — the Seiko Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch uses the 6L37 and the William Wood International Association of Fire uses the Seiko NH35.

Side by side

Seiko Prospex Marinemaster Marinemaster 1965 Heritage Diver's WatchvsWilliam Wood International Association of Fire

Q: Which has better water resistance, the Seiko Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch or the William Wood International Association of Fire?

The Seiko Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch is rated to 200m versus 100m for the William Wood International Association of Fire.

Q: Which has a longer power reserve, the Seiko Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch or the William Wood International Association of Fire?

The Seiko Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch carries a 45-hour power reserve against 40 hours on the William 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 1965 Heritage Diver's Watch

sje117j1

MSRP $2,800

William Wood International Association of Fire

william-wood-iafc

MSRP $820

At a glance

14 of 29 specs differ

Diameter

Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch39.5mm

International Association of Fire41mm

Power Reserve

Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch45h

International Association of Fire40h

Water Resistance

Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch200m

International Association of Fire100m

MSRP

Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch$2,800

International Association of Fire$820

Full specifications

Case

5 specs

Diameter

39.5mm

41mm

Thickness

12.3mm

15mm

Lug-to-Lug

47.2mm

49mm

Material

Stainless Steel

316L Stainless Steel

Water Resistance

200m

100m

Crystal & Dial

5 specs

Crystal

Sapphire

Domed Sapphire

Crystal Shape

Box

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

6L37

Seiko NH35

Power Reserve

45h

40h

Jewels

Pricing

1 specs

MSRP

$2,800

$820

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