Which is cheaper, the Spinnaker Cahill Automatic or the William Wood Extinguisher Watch?

At MSRP the Spinnaker Cahill Automatic is the cheaper of the two at $350, against $995 for the William Wood Extinguisher Watch — a $645 gap before any retailer discounting.

Which is bigger, the Spinnaker Cahill Automatic or the William Wood Extinguisher Watch?

The Spinnaker Cahill Automatic wears larger at 42mm versus 41mm for the William Wood Extinguisher Watch — a 1mm difference across the dial.

Which has better water resistance, the Spinnaker Cahill Automatic or the William Wood Extinguisher Watch?

The Spinnaker Cahill Automatic is rated to 200m versus 100m for the William Wood Extinguisher Watch.

What movement does the Spinnaker Cahill Automatic run compared to the William Wood Extinguisher Watch?

Both watches run automatic movements — the Spinnaker Cahill Automatic uses the SII NH35A and the William Wood Extinguisher Watch uses the Seiko NH35.

Side by side

Spinnaker Cahill AutomaticvsWilliam Wood Extinguisher Watch

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

Spinnaker Cahill Automatic

cahill-automatic-moss-green-sp-5064-02

MSRP $350

William Wood Extinguisher Watch

extinguisherwatch

MSRP $995

At a glance

9 of 29 specs differ

Diameter

Cahill Automatic42mm

Extinguisher Watch41mm

Power Reserve

Cahill Automatic40h

Extinguisher Watch40h

Water Resistance

Cahill Automatic200m

Extinguisher Watch100m

MSRP

Cahill Automatic$350

Extinguisher Watch$995

Full specifications

Case

5 specs

Diameter

42mm

41mm

Thickness

13.7mm

15mm

Lug-to-Lug

51mm

49mm

Lug Width

22mm

20mm

Water Resistance

200m

100m

Crystal & Dial

2 specs

Crystal

Sapphire

Domed Sapphire

Dial Color

Green

Standard

Movement

1 specs

Caliber

SII NH35A

Seiko NH35

Pricing

1 specs

MSRP

$350

$995

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