Side by side

Signum SiegevsSpinnaker Bradner GMT

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

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Siege
SignumSiege
MSRP $539
Bradner GMT
SpinnakerBradner GMT
MSRP $299
Buy from Signum ↗
Buy used on eBay ↗
Buy from Spinnaker ↗
Buy used on eBay ↗

At a glance

12 of 29 specs differ
Diameter
Siege40mm
Bradner GMT42mm
Power Reserve
Siege—
Bradner GMT40h
Water Resistance
Siege100m
Bradner GMT180m
MSRP
Siege$539
Bradner GMT$299

Full specifications

Case

7 specs
Category
—
GMT
Diameter
40mm
42mm
Thickness
10.5mm
15mm
Lug-to-Lug
48mm
50mm
Lug Width
20mm
22mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
100m
180m

Crystal & Dial

2 specs
Dial Color
—
Brown
Lume
BGW9 Blue SuperLuminova
None

Movement

2 specs
Caliber
Miyota 9015
Seiko NH34A
Power Reserve
—
40h

Pricing

1 specs
MSRP
$539
$299
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