Which is cheaper, the Grand Seiko SBGW306 or the Spinnaker Wreck Automatic?

At MSRP the Spinnaker Wreck Automatic is the cheaper of the two at $189, against $17,900 for the Grand Seiko SBGW306 — a $17,711 gap before any retailer discounting.

Which is bigger, the Grand Seiko SBGW306 or the Spinnaker Wreck Automatic?

The Spinnaker Wreck Automatic wears larger at 44mm versus 36.5mm for the Grand Seiko SBGW306 — a 7.5mm difference across the dial.

Which has better water resistance, the Grand Seiko SBGW306 or the Spinnaker Wreck Automatic?

The Spinnaker Wreck Automatic is rated to 200m versus 100m for the Grand Seiko SBGW306.

Which has a longer power reserve, the Grand Seiko SBGW306 or the Spinnaker Wreck Automatic?

The Grand Seiko SBGW306 carries a 72-hour power reserve against 40 hours on the Spinnaker Wreck Automatic.

What movement does the Grand Seiko SBGW306 run compared to the Spinnaker Wreck Automatic?

The Grand Seiko SBGW306 runs a manual caliber (9S64), while the Spinnaker Wreck Automatic runs a automatic (SII NH35A).

Side by side

Grand Seiko SBGW306vsSpinnaker Wreck Automatic

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

Grand Seiko SBGW306

sbgw306j

MSRP $17,900

Spinnaker Wreck Automatic

wreck-distressed-black-sp-5089-01

MSRP $189

At a glance

12 of 29 specs differ

Diameter

SBGW30636.5mm

Wreck Automatic44mm

Power Reserve

SBGW30672h

Wreck Automatic40h

Water Resistance

SBGW306100m

Wreck Automatic200m

MSRP

SBGW306$17,900

Wreck Automatic$189

Full specifications

Case

7 specs

Crystal & Dial

1 specs

AR Coating

Yes

Inner

Movement

3 specs

Caliber

9S64

SII NH35A

Type

Manual

Automatic

Power Reserve

72h

40h

Pricing

1 specs

MSRP

$17,900

$189

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Grand Seiko SBGW306vsSpinnaker Wreck Automatic

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