Which is cheaper, the Galo Copper or the Grand Seiko STGK031?

At MSRP the Galo Copper is the cheaper of the two at $282, against $6,600 for the Grand Seiko STGK031 — a $6,318 gap before any retailer discounting.

Which is bigger, the Galo Copper or the Grand Seiko STGK031?

The Galo Copper wears larger at 38.5mm versus 30mm for the Grand Seiko STGK031 — a 8.5mm difference across the dial.

Which has a longer power reserve, the Galo Copper or the Grand Seiko STGK031?

The Grand Seiko STGK031 carries a 50-hour power reserve against 41 hours on the Galo Copper.

What movement does the Galo Copper run compared to the Grand Seiko STGK031?

Both watches run automatic movements — the Galo Copper uses the Seiko NH35 and the Grand Seiko STGK031 uses the Grand Seiko 9S27.

Side by side

Galo CoppervsGrand Seiko STGK031

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

MSRP $282

MSRP $6,600

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At a glance

13 of 29 specs differ

Diameter

Copper38.5mm

STGK03130mm

Power Reserve

Copper41h

STGK03150h

Water Resistance

Copper100m

STGK031100m

MSRP

Copper$282

STGK031$6,600

Full specifications

Case

6 specs

Diameter

38.5mm

30mm

Thickness

11.2mm

10.5mm

Lug-to-Lug

47mm

36.2mm

Lug Width

20mm

15mm

Material

316L Stainless Steel

Stainless Steel

Finish

Copper

—

Crystal & Dial

2 specs

AR Coating

—

Yes

Lume

Swiss Super-LumiNova® BGW9

None

Movement

4 specs

Caliber

Seiko NH35

Grand Seiko 9S27

Beat Rate

21,600 vph

0 vph

Power Reserve

41h

50h

Jewels

Pricing

1 specs

MSRP

$282

$6,600

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Galo CoppervsGrand Seiko STGK031

At a glance

Full specifications

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