Which is bigger, the Quasar Starlight or the Grand Seiko SLGW003?

The Quasar Starlight wears larger at 41mm versus 38.6mm for the Grand Seiko SLGW003 — a 2.4mm difference across the dial.

Which has better water resistance, the Quasar Starlight or the Grand Seiko SLGW003?

The Quasar Starlight is rated to 100m versus 30m for the Grand Seiko SLGW003.

Which has a longer power reserve, the Quasar Starlight or the Grand Seiko SLGW003?

The Grand Seiko SLGW003 carries a 80-hour power reserve against 42 hours on the Quasar Starlight.

What movement does the Quasar Starlight run compared to the Grand Seiko SLGW003?

The Quasar Starlight runs a automatic caliber (Miyota 9015), while the Grand Seiko SLGW003 runs a manual (9SA4).

Side by side

Quasar StarlightvsGrand Seiko SLGW003

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

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Quasar Starlight

starlight-automatic-green-aventurine

Grand Seiko SLGW003

slgw003g

MSRP $11,600

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Buy from Grand Seiko ↗

Buy used on eBay ↗

At a glance

13 of 29 specs differ

Diameter

Starlight41mm

SLGW00338.6mm

Power Reserve

Starlight42h

SLGW00380h

Water Resistance

Starlight100m

SLGW00330m

MSRP

Starlight—

SLGW003$11,600

Full specifications

Case

6 specs

Crystal & Dial

3 specs

AR Coating

Inner

Yes

Dial Color

Aventurine

Black

Lume

Swiss Super Luminova BGW9

None

Movement

3 specs

Caliber

Miyota 9015

9SA4

Type

Automatic

Manual

Power Reserve

42h

80h

Pricing

1 specs

MSRP

—

$11,600

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Quasar StarlightvsGrand Seiko SLGW003

At a glance

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