What movement does the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition run compared to the William Wood Extinguisher Watch?

Both watches run automatic movements — the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition uses the 8L35 and the William Wood Extinguisher Watch uses the Seiko NH35.

Side by side

Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited EditionvsWilliam Wood Extinguisher Watch

Q: Which is cheaper, the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition or the William Wood Extinguisher Watch?

At MSRP the William Wood Extinguisher Watch is the cheaper of the two at $995, against $3,300 for the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition — a $2,305 gap before any retailer discounting.

Q: Which is bigger, the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition or the William Wood Extinguisher Watch?

The Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition wears larger at 44mm versus 41mm for the William Wood Extinguisher Watch — a 3mm difference across the dial.

Q: Which has better water resistance, the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition or the William Wood Extinguisher Watch?

The Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition is rated to 200m versus 100m for the William Wood Extinguisher Watch.

Q: Which has a longer power reserve, the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition or the William Wood Extinguisher Watch?

The Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition carries a 50-hour power reserve against 40 hours on the William Wood Extinguisher Watch.

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

Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition

sla061j1

MSRP $3,300

William Wood Extinguisher Watch

extinguisherwatch

MSRP $995

At a glance

14 of 29 specs differ

Diameter

Prospex Sea 1970 Heritage Diver's Black Series Limited Edition44mm

Extinguisher Watch41mm

Power Reserve

Prospex Sea 1970 Heritage Diver's Black Series Limited Edition50h

Extinguisher Watch40h

Water Resistance

Prospex Sea 1970 Heritage Diver's Black Series Limited Edition200m

Extinguisher Watch100m

MSRP

Prospex Sea 1970 Heritage Diver's Black Series Limited Edition$3,300

Extinguisher Watch$995

Full specifications

Case

5 specs

Diameter

44mm

41mm

Thickness

13mm

15mm

Lug-to-Lug

49.3mm

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

8L35

Seiko NH35

Power Reserve

50h

40h

Jewels

Pricing

1 specs

MSRP

$3,300

$995

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