Which is cheaper, the Oak & Oscar The Humboldt GMT Titanium or the Grand Seiko SLGH017?

At MSRP the Oak & Oscar The Humboldt GMT Titanium is the cheaper of the two at $2,950, against $10,500 for the Grand Seiko SLGH017 — a $7,550 gap before any retailer discounting.

Which is bigger, the Oak & Oscar The Humboldt GMT Titanium or the Grand Seiko SLGH017?

The Grand Seiko SLGH017 wears larger at 40mm versus 39.5mm for the Oak & Oscar The Humboldt GMT Titanium — a 0.5mm difference across the dial.

Which has better water resistance, the Oak & Oscar The Humboldt GMT Titanium or the Grand Seiko SLGH017?

The Oak & Oscar The Humboldt GMT Titanium is rated to 200m versus 100m for the Grand Seiko SLGH017.

Which has a longer power reserve, the Oak & Oscar The Humboldt GMT Titanium or the Grand Seiko SLGH017?

The Grand Seiko SLGH017 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 SLGH017?

Both watches run automatic movements — the Oak & Oscar The Humboldt GMT Titanium uses the Sellita SW330 and the Grand Seiko SLGH017 uses the 9SA5.

Side by side

Oak & Oscar The Humboldt GMT TitaniumvsGrand Seiko SLGH017

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 SLGH017

slgh017g

MSRP $10,500

At a glance

16 of 29 specs differ

Diameter

The Humboldt GMT Titanium39.5mm

SLGH01740mm

Power Reserve

The Humboldt GMT Titanium56 hoursh

SLGH01780h

Water Resistance

The Humboldt GMT Titanium200m

SLGH017100m

MSRP

The Humboldt GMT Titanium$2,950

SLGH017$10,500

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

3 specs

Caliber

Sellita SW330

9SA5

Beat Rate

4 vph

28,800 vph

Power Reserve

56 hoursh

80h

Pricing

1 specs

MSRP

$2,950

$10,500

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