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

At MSRP the Seiko Prospex SPEEDTIMER is the cheaper of the two at $725, against $2,200 for the Oak & Oscar The Humboldt GMT USSS Edition — a $1,475 gap before any retailer discounting.

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

The Oak & Oscar The Humboldt GMT USSS Edition wears larger at 39.5mm versus 39mm for the Seiko Prospex SPEEDTIMER — a 0.5mm difference across the dial.

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

The Oak & Oscar The Humboldt GMT USSS Edition is rated to 200m versus 10m for the Seiko Prospex SPEEDTIMER.

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

The Seiko Prospex SPEEDTIMER carries a 40-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 Seiko Prospex SPEEDTIMER?

The Oak & Oscar The Humboldt GMT USSS Edition runs a automatic caliber (Sellita SW330), while the Seiko Prospex SPEEDTIMER runs a quartz (V192).

Side by side

Oak & Oscar The Humboldt GMT USSS EditionvsSeiko Prospex SPEEDTIMER

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

Seiko Prospex SPEEDTIMER

ssc813

MSRP $725

At a glance

14 of 29 specs differ

Diameter

The Humboldt GMT USSS Edition39.5mm

Prospex SPEEDTIMER39mm

Power Reserve

The Humboldt GMT USSS Edition56 hoursh

Prospex SPEEDTIMER40h

Water Resistance

The Humboldt GMT USSS Edition200m

Prospex SPEEDTIMER100m

MSRP

The Humboldt GMT USSS Edition$2,200

Prospex SPEEDTIMER$725

Full specifications

Case

7 specs

Crystal & Dial

3 specs

Crystal Shape

Double-domed

Curved

AR Coating

Inner

Anti-reflective coating on inner surface

Lume

Super-LumiNova BGW9

LumiBrite on hands and index(es)

Movement

3 specs

Caliber

Sellita SW330

V192

Type

Automatic

Quartz

Power Reserve

56 hoursh

40h

Pricing

1 specs

MSRP

$2,200

$725

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