Which is cheaper, the Spinnaker Fleuss Mechanical Chronograph or the Grand Seiko STGK003?

At MSRP the Spinnaker Fleuss Mechanical Chronograph is the cheaper of the two at $550, against $31,200 for the Grand Seiko STGK003 — a $30,650 gap before any retailer discounting.

Which is bigger, the Spinnaker Fleuss Mechanical Chronograph or the Grand Seiko STGK003?

The Spinnaker Fleuss Mechanical Chronograph wears larger at 43mm versus 28.7mm for the Grand Seiko STGK003 — a 14.3mm difference across the dial.

Which has a longer power reserve, the Spinnaker Fleuss Mechanical Chronograph or the Grand Seiko STGK003?

The Grand Seiko STGK003 carries a 50-hour power reserve against 40 hours on the Spinnaker Fleuss Mechanical Chronograph.

What movement does the Spinnaker Fleuss Mechanical Chronograph run compared to the Grand Seiko STGK003?

The Spinnaker Fleuss Mechanical Chronograph runs a mechanical caliber (Seagull ST1908), while the Grand Seiko STGK003 runs a automatic (9S27).

Side by side

Spinnaker Fleuss Mechanical ChronographvsGrand Seiko STGK003

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

Spinnaker Fleuss Mechanical Chronograph

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

MSRP $550

Grand Seiko STGK003

stgk003j

MSRP $31,200

At a glance

10 of 29 specs differ

Diameter

Fleuss Mechanical Chronograph43mm

STGK00328.7mm

Power Reserve

Fleuss Mechanical Chronograph40h

STGK00350h

Water Resistance

Fleuss Mechanical Chronograph100m

STGK003100m

MSRP

Fleuss Mechanical Chronograph$550

STGK003$31,200

Full specifications

Case

6 specs

Crystal & Dial

1 specs

AR Coating

Inner

Yes

Movement

2 specs

Caliber

Seagull ST1908

9S27

Power Reserve

40h

50h

Pricing

1 specs

MSRP

$550

$31,200

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