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

At MSRP the Seiko Prospex Sea is the cheaper of the two at $595, against $2,200 for the Oak & Oscar The Humboldt GMT USSS Edition — a $1,605 gap before any retailer discounting.

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

The Seiko Prospex Sea wears larger at 41.7mm versus 39.5mm for the Oak & Oscar The Humboldt GMT USSS Edition — a 2.2mm difference across the dial.

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

The Seiko Prospex Sea carries a 41-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 Sea?

Both watches run automatic movements — the Oak & Oscar The Humboldt GMT USSS Edition uses the Sellita SW330 and the Seiko Prospex Sea uses the 4R35.

Side by side

Oak & Oscar The Humboldt GMT USSS EditionvsSeiko Prospex Sea

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 Sea

srpl11

MSRP $595

At a glance

13 of 29 specs differ

Diameter

The Humboldt GMT USSS Edition39.5mm

Prospex Sea41.7mm

Power Reserve

The Humboldt GMT USSS Edition56 hoursh

Prospex Sea41h

Water Resistance

The Humboldt GMT USSS Edition200m

Prospex Sea200m

MSRP

The Humboldt GMT USSS Edition$2,200

Prospex Sea$595

Full specifications

Case

6 specs

Crystal & Dial

3 specs

Crystal

Sapphire

Hardlex

Crystal Shape

Double-domed

Flat

Lume

Super-LumiNova BGW9

LumiBrite on hands, index(es) and bezel

Movement

3 specs

Caliber

Sellita SW330

4R35

Power Reserve

56 hoursh

41h

Jewels

Pricing

1 specs

MSRP

$2,200

$595

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