Which is cheaper, the Oak & Oscar The Humboldt GMT USSS Edition or the Phoibos Reef Master?

At MSRP the Phoibos Reef Master is the cheaper of the two at $335, against $2,200 for the Oak & Oscar The Humboldt GMT USSS Edition — a $1,865 gap before any retailer discounting.

Which is bigger, the Oak & Oscar The Humboldt GMT USSS Edition or the Phoibos Reef Master?

The Phoibos Reef Master wears larger at 42mm versus 39.5mm for the Oak & Oscar The Humboldt GMT USSS Edition — a 2.5mm difference across the dial.

Which has a longer power reserve, the Oak & Oscar The Humboldt GMT USSS Edition or the Phoibos Reef Master?

The Phoibos Reef Master 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 Phoibos Reef Master?

Both watches run automatic movements — the Oak & Oscar The Humboldt GMT USSS Edition uses the Sellita SW330 and the Phoibos Reef Master uses the SII NH38.

Side by side

Oak & Oscar The Humboldt GMT USSS EditionvsPhoibos Reef Master

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

Phoibos Reef Master

phoibos-reef-master-200m-automatic-diver-watch-py047a-shamrock-green

MSRP $335

At a glance

14 of 29 specs differ

Diameter

The Humboldt GMT USSS Edition39.5mm

Reef Master42mm

Power Reserve

The Humboldt GMT USSS Edition56 hoursh

Reef Master40h

Water Resistance

The Humboldt GMT USSS Edition200m

Reef Master200m

MSRP

The Humboldt GMT USSS Edition$2,200

Reef Master$335

Full specifications

Case

7 specs

Crystal & Dial

4 specs

Crystal Shape

Double-domed

Flat

AR Coating

Inner

Yes

Dial Color

Black

Green

Lume

Super-LumiNova BGW9

Super-LumiNova

Movement

2 specs

Caliber

Sellita SW330

SII NH38

Power Reserve

56 hoursh

40h

Pricing

1 specs

MSRP

$2,200

$335

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