Which is cheaper, the Grand Seiko SBGA384 or the Spinnaker Hass Automatic?

At MSRP the Spinnaker Hass Automatic is the cheaper of the two at $445, against $29,500 for the Grand Seiko SBGA384 — a $29,055 gap before any retailer discounting.

Which is bigger, the Grand Seiko SBGA384 or the Spinnaker Hass Automatic?

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

Which has better water resistance, the Grand Seiko SBGA384 or the Spinnaker Hass Automatic?

The Spinnaker Hass Automatic is rated to 300m versus 100m for the Grand Seiko SBGA384.

Which has a longer power reserve, the Grand Seiko SBGA384 or the Spinnaker Hass Automatic?

The Grand Seiko SBGA384 carries a 72-hour power reserve against 40 hours on the Spinnaker Hass Automatic.

What movement does the Grand Seiko SBGA384 run compared to the Spinnaker Hass Automatic?

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

Side by side

Grand Seiko SBGA384vsSpinnaker Hass Automatic

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

Grand Seiko SBGA384

sbga384g

MSRP $29,500

Spinnaker Hass Automatic

hass-automatic-spongebob-search-for-squarepants-limited-edition-flying-dutchman-sp-5171-22

MSRP $445

At a glance

13 of 29 specs differ

Diameter

SBGA38440mm

Hass Automatic43mm

Power Reserve

SBGA38472h

Hass Automatic40h

Water Resistance

SBGA384100m

Hass Automatic300m

MSRP

SBGA384$29,500

Hass Automatic$445

Full specifications

Case

7 specs

Crystal & Dial

2 specs

AR Coating

Yes

Inner

Dial Color

Black

Flying Dutchman

Movement

3 specs

Caliber

9R15

SII NH35A

Type

Spring Drive

Automatic

Power Reserve

72h

40h

Pricing

1 specs

MSRP

$29,500

$445

Follow this matchup

Get a note when Grand Seiko SBGA384 vs Spinnaker Hass Automatic gets more votes, a community discussion, or a price drop. No account needed.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Yemamicro

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.

Spinnaker Hass AutomaticvsYema Wristmaster Slim Small Seconds CMM.29 Spinnaker Hass AutomaticvsYema Granvelle CMM.29 Spinnaker Hass AutomaticvsYema Superman Heritage GMT Bronze Dan Henry 1972vsSpinnaker Hass Automatic Grand Seiko SBGA384vsSpinnaker Tesei Forged Carbon Grand Seiko SBGA384vsSpinnaker Dumas Automatic

Edit this comparison Add another watch Explore more 39–44mm watches

Grand Seiko SBGA384vsSpinnaker Hass Automatic

At a glance

Full specifications

Follow this matchup

More watches worth a look

Wristmaster Slim Small Seconds CMM.29

Tesei Forged Carbon

Granvelle CMM.29

Dumas Automatic

1972

Cave Dweller

Hyperion SII

S502

People also compared