Which is cheaper, the Seestern S471 Double Crown Diver or the Spinnaker Bradner GMT?

At MSRP the Seestern S471 Double Crown Diver is the cheaper of the two at $179, against $299 for the Spinnaker Bradner GMT — a $120 gap before any retailer discounting.

Which is bigger, the Seestern S471 Double Crown Diver or the Spinnaker Bradner GMT?

The Spinnaker Bradner GMT wears larger at 42mm versus 38mm for the Seestern S471 Double Crown Diver — a 4mm difference across the dial.

Which has better water resistance, the Seestern S471 Double Crown Diver or the Spinnaker Bradner GMT?

The Spinnaker Bradner GMT is rated to 180m versus 100m for the Seestern S471 Double Crown Diver.

Which has a longer power reserve, the Seestern S471 Double Crown Diver or the Spinnaker Bradner GMT?

The Spinnaker Bradner GMT carries a 40-hour power reserve against 35h+ hours on the Seestern S471 Double Crown Diver.

What movement does the Seestern S471 Double Crown Diver run compared to the Spinnaker Bradner GMT?

Both watches run automatic movements — the Seestern S471 Double Crown Diver uses the Miyota 8215 and the Spinnaker Bradner GMT uses the Seiko NH34A.

Side by side

Seestern S471 Double Crown DivervsSpinnaker Bradner GMT

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

Seestern S471 Double Crown Diver

S471

MSRP $179

Spinnaker Bradner GMT

bradner-gmt-automatic-abbott-brown-sp-5121-22

MSRP $299

At a glance

13 of 29 specs differ

Diameter

S471 Double Crown Diver38mm

Bradner GMT42mm

Power Reserve

S471 Double Crown Diver35h+h

Bradner GMT40h

Water Resistance

S471 Double Crown Diver100m

Bradner GMT180m

MSRP

S471 Double Crown Diver$179

Bradner GMT$299

Full specifications

Case

6 specs

Crystal & Dial

1 specs

Dial Color

Blue

Brown

Movement

5 specs

Caliber

Miyota 8215

Seiko NH34A

Beat Rate

3 vph

28,800 vph

Power Reserve

35h+h

40h

Jewels

Complications

Date

None

Pricing

1 specs

MSRP

$179

$299

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