Which is cheaper, the Oak & Oscar The Humboldt GMT SAR Edition or the Grand Seiko SBGX363?

At MSRP the Oak & Oscar The Humboldt GMT SAR Edition is the cheaper of the two at $2,950, against $3,600 for the Grand Seiko SBGX363 — a $650 gap before any retailer discounting.

Which is bigger, the Oak & Oscar The Humboldt GMT SAR Edition or the Grand Seiko SBGX363?

The Oak & Oscar The Humboldt GMT SAR Edition wears larger at 39.5mm versus 32.3mm for the Grand Seiko SBGX363 — a 7.2mm difference across the dial.

Which has better water resistance, the Oak & Oscar The Humboldt GMT SAR Edition or the Grand Seiko SBGX363?

The Oak & Oscar The Humboldt GMT SAR Edition is rated to 200m versus 100m for the Grand Seiko SBGX363.

Which has a longer power reserve, the Oak & Oscar The Humboldt GMT SAR Edition or the Grand Seiko SBGX363?

The Grand Seiko SBGX363 carries a 40-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 SBGX363?

The Oak & Oscar The Humboldt GMT SAR Edition runs a automatic caliber (Sellita SW330), while the Grand Seiko SBGX363 runs a quartz (9F51).

Side by side

Oak & Oscar The Humboldt GMT SAR EditionvsGrand Seiko SBGX363

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 SBGX363

sbgx363g

MSRP $3,600

At a glance

16 of 29 specs differ

Diameter

The Humboldt GMT SAR Edition39.5mm

SBGX36332.3mm

Power Reserve

The Humboldt GMT SAR Edition56 hoursh

SBGX36340h

Water Resistance

The Humboldt GMT SAR Edition200m

SBGX363100m

MSRP

The Humboldt GMT SAR Edition$2,950

SBGX363$3,600

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

9F51

Type

Automatic

Quartz

Beat Rate

4 vph

28,800 vph

Power Reserve

56 hoursh

40h

Pricing

1 specs

MSRP

$2,950

$3,600

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