Which is cheaper, the Grand Seiko SBGA384 or the Spinnaker Fleuss Mechanical Chronograph?

At MSRP the Spinnaker Fleuss Mechanical Chronograph is the cheaper of the two at $550, against $29,500 for the Grand Seiko SBGA384 — a $28,950 gap before any retailer discounting.

Which is bigger, the Grand Seiko SBGA384 or the Spinnaker Fleuss Mechanical Chronograph?

The Spinnaker Fleuss Mechanical Chronograph wears larger at 43mm versus 40mm for the Grand Seiko SBGA384 — a 3mm difference across the dial.

Which has a longer power reserve, the Grand Seiko SBGA384 or the Spinnaker Fleuss Mechanical Chronograph?

The Grand Seiko SBGA384 carries a 72-hour power reserve against 40 hours on the Spinnaker Fleuss Mechanical Chronograph.

What movement does the Grand Seiko SBGA384 run compared to the Spinnaker Fleuss Mechanical Chronograph?

The Grand Seiko SBGA384 runs a spring drive caliber (9R15), while the Spinnaker Fleuss Mechanical Chronograph runs a mechanical (Seagull ST1908).

Side by side

Grand Seiko SBGA384vsSpinnaker Fleuss Mechanical Chronograph

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

Grand Seiko SBGA384

sbga384g

MSRP $29,500

Spinnaker Fleuss Mechanical Chronograph

fleuss-mechanical-chronograph-spongebob-squarepants-eyedial-limited-edition-googly-black-sp-5153-02

MSRP $550

At a glance

11 of 29 specs differ

Diameter

SBGA38440mm

Fleuss Mechanical Chronograph43mm

Power Reserve

SBGA38472h

Fleuss Mechanical Chronograph40h

Water Resistance

SBGA384100m

Fleuss Mechanical Chronograph100m

MSRP

SBGA384$29,500

Fleuss Mechanical Chronograph$550

Full specifications

Case

6 specs

Crystal & Dial

1 specs

AR Coating

Yes

Inner

Movement

3 specs

Caliber

9R15

Seagull ST1908

Type

Spring Drive

Automatic

Power Reserve

72h

40h

Pricing

1 specs

MSRP

$29,500

$550

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