Which is cheaper, the Oak & Oscar The Humboldt GMT USSS Edition or the Grand Seiko SLGA019?

At MSRP the Oak & Oscar The Humboldt GMT USSS Edition is the cheaper of the two at $2,200, against $11,000 for the Grand Seiko SLGA019 — a $8,800 gap before any retailer discounting.

Which is bigger, the Oak & Oscar The Humboldt GMT USSS Edition or the Grand Seiko SLGA019?

The Grand Seiko SLGA019 wears larger at 40mm versus 39.5mm for the Oak & Oscar The Humboldt GMT USSS Edition — a 0.5mm difference across the dial.

Which has better water resistance, the Oak & Oscar The Humboldt GMT USSS Edition or the Grand Seiko SLGA019?

The Oak & Oscar The Humboldt GMT USSS Edition is rated to 200m versus 100m for the Grand Seiko SLGA019.

Which has a longer power reserve, the Oak & Oscar The Humboldt GMT USSS Edition or the Grand Seiko SLGA019?

The Grand Seiko SLGA019 carries a 120-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 SLGA019?

The Oak & Oscar The Humboldt GMT USSS Edition runs a automatic caliber (Sellita SW330), while the Grand Seiko SLGA019 runs a spring drive (9RA2).

Side by side

Oak & Oscar The Humboldt GMT USSS EditionvsGrand Seiko SLGA019

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 SLGA019

slga019g

MSRP $11,000

At a glance

15 of 29 specs differ

Diameter

The Humboldt GMT USSS Edition39.5mm

SLGA01940mm

Power Reserve

The Humboldt GMT USSS Edition56 hoursh

SLGA019120h

Water Resistance

The Humboldt GMT USSS Edition200m

SLGA019100m

MSRP

The Humboldt GMT USSS Edition$2,200

SLGA019$11,000

Full specifications

Case

8 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

9RA2

Type

Automatic

Spring Drive

Power Reserve

56 hoursh

120h

Pricing

1 specs

MSRP

$2,200

$11,000

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