Which is cheaper, the Grand Seiko SBGA384 or the Spinnaker Hull Titanium Bronze?

At MSRP the Spinnaker Hull Titanium Bronze is the cheaper of the two at $425, against $29,500 for the Grand Seiko SBGA384 — a $29,075 gap before any retailer discounting.

Which is bigger, the Grand Seiko SBGA384 or the Spinnaker Hull Titanium Bronze?

The Spinnaker Hull Titanium Bronze wears larger at 42mm versus 40mm for the Grand Seiko SBGA384 — a 2mm difference across the dial.

Which has a longer power reserve, the Grand Seiko SBGA384 or the Spinnaker Hull Titanium Bronze?

The Grand Seiko SBGA384 carries a 72-hour power reserve against 40 hours on the Spinnaker Hull Titanium Bronze.

What movement does the Grand Seiko SBGA384 run compared to the Spinnaker Hull Titanium Bronze?

The Grand Seiko SBGA384 runs a spring drive caliber (9R15), while the Spinnaker Hull Titanium Bronze runs a automatic (SII NH35A).

Side by side

Grand Seiko SBGA384vsSpinnaker Hull Titanium Bronze

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

Grand Seiko SBGA384

sbga384g

MSRP $29,500

Spinnaker Hull Titanium Bronze

hull-titanium-bronze-automatic-lapidary-limited-edition-black-onyx-sp-5145-03

MSRP $425

At a glance

11 of 29 specs differ

Diameter

SBGA38440mm

Hull Titanium Bronze42mm

Power Reserve

SBGA38472h

Hull Titanium Bronze40h

Water Resistance

SBGA384100m

Hull Titanium Bronze100m

MSRP

SBGA384$29,500

Hull Titanium Bronze$425

Full specifications

Case

6 specs

Crystal & Dial

1 specs

AR Coating

Yes

Inner

Movement

3 specs

Caliber

9R15

SII NH35A

Type

Spring Drive

Automatic

Power Reserve

72h

40h

Pricing

1 specs

MSRP

$29,500

$425

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Grand Seiko SBGA384vsSpinnaker Hull Titanium Bronze

At a glance

Full specifications

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