Which is cheaper, the Oak & Oscar The Humboldt GMT SAR Edition or the Grand Seiko SBGK006?

At MSRP the Oak & Oscar The Humboldt GMT SAR Edition is the cheaper of the two at $2,950, against $22,200 for the Grand Seiko SBGK006 — a $19,250 gap before any retailer discounting.

Which is bigger, the Oak & Oscar The Humboldt GMT SAR Edition or the Grand Seiko SBGK006?

The Oak & Oscar The Humboldt GMT SAR Edition wears larger at 39.5mm versus 39mm for the Grand Seiko SBGK006 — a 0.5mm difference across the dial.

Which has better water resistance, the Oak & Oscar The Humboldt GMT SAR Edition or the Grand Seiko SBGK006?

The Oak & Oscar The Humboldt GMT SAR Edition is rated to 200m versus 30m for the Grand Seiko SBGK006.

Which has a longer power reserve, the Oak & Oscar The Humboldt GMT SAR Edition or the Grand Seiko SBGK006?

The Grand Seiko SBGK006 carries a 72-hour power reserve against 56 hours hours on the Oak & Oscar The Humboldt GMT SAR Edition.

What movement does the Oak & Oscar The Humboldt GMT SAR Edition run compared to the Grand Seiko SBGK006?

The Oak & Oscar The Humboldt GMT SAR Edition runs a automatic caliber (Sellita SW330), while the Grand Seiko SBGK006 runs a manual (9S63).

Side by side

Oak & Oscar The Humboldt GMT SAR EditionvsGrand Seiko SBGK006

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

Oak & Oscar The Humboldt GMT SAR Edition

HMBDLTGMTSAR

MSRP $2,950

Grand Seiko SBGK006

sbgk006j

MSRP $22,200

At a glance

16 of 29 specs differ

Diameter

The Humboldt GMT SAR Edition39.5mm

SBGK00639mm

Power Reserve

The Humboldt GMT SAR Edition56 hoursh

SBGK00672h

Water Resistance

The Humboldt GMT SAR Edition200m

SBGK00630m

MSRP

The Humboldt GMT SAR Edition$2,950

SBGK006$22,200

Full specifications

Case

8 specs

Crystal & Dial

3 specs

Crystal Shape

Double-domed

Flat

AR Coating

Underside

Yes

Lume

Super-LumiNova

None

Movement

4 specs

Caliber

Sellita SW330

9S63

Type

Automatic

Manual

Beat Rate

4 vph

28,800 vph

Power Reserve

56 hoursh

72h

Pricing

1 specs

MSRP

$2,950

$22,200

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