Which is cheaper, the Seiko Prospex Sea 1965 Heritage Diver's Save the Ocean Special Edition 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 $1,250 for the Seiko Prospex Sea 1965 Heritage Diver's Save the Ocean Special Edition — a $430 gap before any retailer discounting.

Which is bigger, the Seiko Prospex Sea 1965 Heritage Diver's Save the Ocean Special Edition or the William Wood International Association of Fire?

The William Wood International Association of Fire wears larger at 41mm versus 40.5mm for the Seiko Prospex Sea 1965 Heritage Diver's Save the Ocean Special Edition — a 0.5mm difference across the dial.

What movement does the Seiko Prospex Sea 1965 Heritage Diver's Save the Ocean Special Edition run compared to the William Wood International Association of Fire?

Both watches run automatic movements — the Seiko Prospex Sea 1965 Heritage Diver's Save the Ocean Special Edition uses the 6R35 and the William Wood International Association of Fire uses the Seiko NH35.

Side by side

Seiko Prospex Sea 1965 Heritage Diver's Save the Ocean Special EditionvsWilliam Wood International Association of Fire

Q: Which has better water resistance, the Seiko Prospex Sea 1965 Heritage Diver's Save the Ocean Special Edition or the William Wood International Association of Fire?

The Seiko Prospex Sea 1965 Heritage Diver's Save the Ocean Special Edition is rated to 200m versus 100m for the William Wood International Association of Fire.

Q: Which has a longer power reserve, the Seiko Prospex Sea 1965 Heritage Diver's Save the Ocean Special Edition or the William Wood International Association of Fire?

The Seiko Prospex Sea 1965 Heritage Diver's Save the Ocean Special Edition carries a 70-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 Sea 1965 Heritage Diver's Save the Ocean Special Edition

spb297j1

MSRP $1,250

William Wood International Association of Fire

william-wood-iafc

MSRP $820

At a glance

14 of 29 specs differ

Diameter

Prospex Sea 1965 Heritage Diver's Save the Ocean Special Edition40.5mm

International Association of Fire41mm

Power Reserve

Prospex Sea 1965 Heritage Diver's Save the Ocean Special Edition70h

International Association of Fire40h

Water Resistance

Prospex Sea 1965 Heritage Diver's Save the Ocean Special Edition200m

International Association of Fire100m

MSRP

Prospex Sea 1965 Heritage Diver's Save the Ocean Special Edition$1,250

International Association of Fire$820

Full specifications

Case

5 specs

Diameter

40.5mm

41mm

Thickness

13.2mm

15mm

Lug-to-Lug

47.6mm

49mm

Material

Stainless Steel

316L Stainless Steel

Water Resistance

200m

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

6R35

Seiko NH35

Power Reserve

70h

40h

Jewels

Pricing

1 specs

MSRP

$1,250

$820

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