Which is cheaper, the Signum Siege or the Spinnaker Spence 300?

At MSRP the Signum Siege is the cheaper of the two at $539, against $650 for the Spinnaker Spence 300 — a $111 gap before any retailer discounting.

Which has better water resistance, the Signum Siege or the Spinnaker Spence 300?

The Spinnaker Spence 300 is rated to 300m versus 100m for the Signum Siege.

What movement does the Signum Siege run compared to the Spinnaker Spence 300?

Both watches run automatic movements — the Signum Siege uses the Miyota 9015 and the Spinnaker Spence 300 uses the SII NH35A.

Side by side

Signum SiegevsSpinnaker Spence 300

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

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Signum Siege

signum-siege

MSRP $539

Spinnaker Spence 300

spence-300-automatic-aquamarine-sp-5097-aa

MSRP $650

At a glance

10 of 29 specs differ

Diameter

Siege40mm

Spence 30040mm

Power Reserve

Siege—

Spence 30040h

Water Resistance

Siege100m

Spence 300300m

MSRP

Siege$539

Spence 300$650

Full specifications

Case

5 specs

Crystal & Dial

2 specs

Dial Color

—

Aquamarine

Lume

BGW9 Blue SuperLuminova

None

Movement

2 specs

Caliber

Miyota 9015

SII NH35A

Power Reserve

—

40h

Pricing

1 specs

MSRP

$539

$650

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Signum SiegevsSpinnaker Spence 300

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