Which is cheaper, the Signum Siege or the Timefactors Aerotimer?

At MSRP the Timefactors Aerotimer is the cheaper of the two at $416, against $539 for the Signum Siege — a $123 gap before any retailer discounting.

Which is bigger, the Signum Siege or the Timefactors Aerotimer?

The Timefactors Aerotimer wears larger at 42mm versus 40mm for the Signum Siege — a 2mm difference across the dial.

What movement does the Signum Siege run compared to the Timefactors Aerotimer?

The Signum Siege runs a automatic caliber (Miyota 9015), while the Timefactors Aerotimer runs a mecaquartz (Seiko VK64 (Meca-Quartz)).

Side by side

Signum SiegevsTimefactors Aerotimer

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

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Signum Siege

MSRP $539

See the full Siege

Timefactors Aerotimer

MSRP $416

See the full Aerotimer

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At a glance

8 of 29 specs differ

Diameter

Siege40mm

Aerotimer42mm

Power Reserve

Siege—

Aerotimer—

Water Resistance

Siege100m

Aerotimer100m

MSRP

Siege$539

Aerotimer$416

Full specifications

Case

3 specs

Diameter

40mm

42mm

Thickness

10.5mm

13mm

Lug-to-Lug

48mm

50mm

Crystal & Dial

2 specs

Dial Color

—

Black

Lume

BGW9 Blue SuperLuminova

SuperLuminova C3

Movement

2 specs

Caliber

Miyota 9015

Seiko VK64 (Meca-Quartz)

Type

Automatic

Mecaquartz

Pricing

1 specs

MSRP

$539

$416

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Signum SiegevsTimefactors Aerotimer

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