Which is cheaper, the Seiko Prospex Sea 1968 Heritage Diver's GMT Watch or the William Wood South Australian Country Fire Service Watch?

At MSRP the William Wood South Australian Country Fire Service Watch is the cheaper of the two at $895, against $1,700 for the Seiko Prospex Sea 1968 Heritage Diver's GMT Watch — a $805 gap before any retailer discounting.

Which is bigger, the Seiko Prospex Sea 1968 Heritage Diver's GMT Watch or the William Wood South Australian Country Fire Service Watch?

The Seiko Prospex Sea 1968 Heritage Diver's GMT Watch wears larger at 42mm versus 41mm for the William Wood South Australian Country Fire Service Watch — a 1mm difference across the dial.

Which has better water resistance, the Seiko Prospex Sea 1968 Heritage Diver's GMT Watch or the William Wood South Australian Country Fire Service Watch?

The Seiko Prospex Sea 1968 Heritage Diver's GMT Watch is rated to 300m versus 100m for the William Wood South Australian Country Fire Service Watch.

Which has a longer power reserve, the Seiko Prospex Sea 1968 Heritage Diver's GMT Watch or the William Wood South Australian Country Fire Service Watch?

The Seiko Prospex Sea 1968 Heritage Diver's GMT Watch carries a 72-hour power reserve against 40 hours on the William Wood South Australian Country Fire Service Watch.

What movement does the Seiko Prospex Sea 1968 Heritage Diver's GMT Watch run compared to the William Wood South Australian Country Fire Service Watch?

Both watches run automatic movements — the Seiko Prospex Sea 1968 Heritage Diver's GMT Watch uses the 6R54 and the William Wood South Australian Country Fire Service Watch uses the Seiko NH35.

Side by side

Seiko Prospex Sea 1968 Heritage Diver's GMT WatchvsWilliam Wood South Australian Country Fire Service Watch

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

Seiko Prospex Sea 1968 Heritage Diver's GMT Watch

spb519j1

MSRP $1,700

William Wood South Australian Country Fire Service Watch

sacfswatch

MSRP $895

At a glance

13 of 29 specs differ

Diameter

Prospex Sea 1968 Heritage Diver's GMT Watch42mm

South Australian Country Fire Service Watch41mm

Power Reserve

Prospex Sea 1968 Heritage Diver's GMT Watch72h

South Australian Country Fire Service Watch40h

Water Resistance

Prospex Sea 1968 Heritage Diver's GMT Watch300m

South Australian Country Fire Service Watch100m

MSRP

Prospex Sea 1968 Heritage Diver's GMT Watch$1,700

South Australian Country Fire Service Watch$895

Full specifications

Case

5 specs

Diameter

42mm

41mm

Thickness

13.3mm

15mm

Lug-to-Lug

48.6mm

49mm

Material

Stainless Steel

316L Stainless Steel

Water Resistance

300m

100m

Crystal & Dial

4 specs

Crystal

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 specs

Caliber

6R54

Seiko NH35

Power Reserve

72h

40h

Jewels

Pricing

1 specs

MSRP

$1,700

$895

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