Which is cheaper, the Oak & Oscar The Humboldt GMT Titanium or the Grand Seiko SLGW004?

At MSRP the Oak & Oscar The Humboldt GMT Titanium is the cheaper of the two at $2,950, against $30,000 for the Grand Seiko SLGW004 — a $27,050 gap before any retailer discounting.

Which is bigger, the Oak & Oscar The Humboldt GMT Titanium or the Grand Seiko SLGW004?

The Oak & Oscar The Humboldt GMT Titanium wears larger at 39.5mm versus 38.8mm for the Grand Seiko SLGW004 — a 0.7mm difference across the dial.

Which has better water resistance, the Oak & Oscar The Humboldt GMT Titanium or the Grand Seiko SLGW004?

The Oak & Oscar The Humboldt GMT Titanium is rated to 200m versus 30m for the Grand Seiko SLGW004.

Which has a longer power reserve, the Oak & Oscar The Humboldt GMT Titanium or the Grand Seiko SLGW004?

The Grand Seiko SLGW004 carries a 80-hour power reserve against 56 hours hours on the Oak & Oscar The Humboldt GMT Titanium.

What movement does the Oak & Oscar The Humboldt GMT Titanium run compared to the Grand Seiko SLGW004?

The Oak & Oscar The Humboldt GMT Titanium runs a automatic caliber (Sellita SW330), while the Grand Seiko SLGW004 runs a manual (9SA4).

Side by side

Oak & Oscar The Humboldt GMT TitaniumvsGrand Seiko SLGW004

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

Oak & Oscar The Humboldt GMT Titanium

HMBDLTGMTTI

MSRP $2,950

Grand Seiko SLGW004

slgw004j

MSRP $30,000

At a glance

17 of 29 specs differ

Diameter

The Humboldt GMT Titanium39.5mm

SLGW00438.8mm

Power Reserve

The Humboldt GMT Titanium56 hoursh

SLGW00480h

Water Resistance

The Humboldt GMT Titanium200m

SLGW00430m

MSRP

The Humboldt GMT Titanium$2,950

SLGW004$30,000

Full specifications

Case

8 specs

Crystal & Dial

4 specs

Crystal Shape

Double-domed

Flat

AR Coating

Underside

Yes

Dial Color

Green

Black

Lume

Super-LumiNova

None

Movement

4 specs

Caliber

Sellita SW330

9SA4

Type

Automatic

Manual

Beat Rate

4 vph

28,800 vph

Power Reserve

56 hoursh

80h

Pricing

1 specs

MSRP

$2,950

$30,000

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