Which is cheaper, the Oak & Oscar The Humboldt GMT USSS Edition or the Grand Seiko SLGW007?

At MSRP the Oak & Oscar The Humboldt GMT USSS Edition is the cheaper of the two at $2,200, against $10,000 for the Grand Seiko SLGW007 — a $7,800 gap before any retailer discounting.

Which is bigger, the Oak & Oscar The Humboldt GMT USSS Edition or the Grand Seiko SLGW007?

The Oak & Oscar The Humboldt GMT USSS Edition wears larger at 39.5mm versus 38.6mm for the Grand Seiko SLGW007 — a 0.9mm difference across the dial.

Which has better water resistance, the Oak & Oscar The Humboldt GMT USSS Edition or the Grand Seiko SLGW007?

The Oak & Oscar The Humboldt GMT USSS Edition is rated to 200m versus 30m for the Grand Seiko SLGW007.

Which has a longer power reserve, the Oak & Oscar The Humboldt GMT USSS Edition or the Grand Seiko SLGW007?

The Grand Seiko SLGW007 carries a 80-hour power reserve against 56 hours hours on the Oak & Oscar The Humboldt GMT USSS Edition.

What movement does the Oak & Oscar The Humboldt GMT USSS Edition run compared to the Grand Seiko SLGW007?

The Oak & Oscar The Humboldt GMT USSS Edition runs a automatic caliber (Sellita SW330), while the Grand Seiko SLGW007 runs a manual (9SA4).

Side by side

Oak & Oscar The Humboldt GMT USSS EditionvsGrand Seiko SLGW007

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

Oak & Oscar The Humboldt GMT USSS Edition

HMBDLTGMTUSSS

MSRP $2,200

Grand Seiko SLGW007

slgw007g

MSRP $10,000

At a glance

14 of 29 specs differ

Diameter

The Humboldt GMT USSS Edition39.5mm

SLGW00738.6mm

Power Reserve

The Humboldt GMT USSS Edition56 hoursh

SLGW00780h

Water Resistance

The Humboldt GMT USSS Edition200m

SLGW00730m

MSRP

The Humboldt GMT USSS Edition$2,200

SLGW007$10,000

Full specifications

Case

7 specs

Crystal & Dial

3 specs

Crystal Shape

Double-domed

Flat

AR Coating

Inner

Yes

Lume

Super-LumiNova BGW9

None

Movement

3 specs

Caliber

Sellita SW330

9SA4

Type

Automatic

Manual

Power Reserve

56 hoursh

80h

Pricing

1 specs

MSRP

$2,200

$10,000

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