Which is cheaper, the Bremont Supermarine 300M or the Oak & Oscar The Humboldt GMT USSS Edition?

At MSRP the Oak & Oscar The Humboldt GMT USSS Edition is the cheaper of the two at $2,200, against $3,550 for the Bremont Supermarine 300M — a $1,350 gap before any retailer discounting.

Which is bigger, the Bremont Supermarine 300M or the Oak & Oscar The Humboldt GMT USSS Edition?

The Bremont Supermarine 300M wears larger at 40mm versus 39.5mm for the Oak & Oscar The Humboldt GMT USSS Edition — a 0.5mm difference across the dial.

Which has better water resistance, the Bremont Supermarine 300M or the Oak & Oscar The Humboldt GMT USSS Edition?

The Bremont Supermarine 300M is rated to 300m versus 200m for the Oak & Oscar The Humboldt GMT USSS Edition.

Which has a longer power reserve, the Bremont Supermarine 300M or the Oak & Oscar The Humboldt GMT USSS Edition?

The Oak & Oscar The Humboldt GMT USSS Edition carries a 56 hours-hour power reserve against 40 hours on the Bremont Supermarine 300M.

What movement does the Bremont Supermarine 300M run compared to the Oak & Oscar The Humboldt GMT USSS Edition?

Both watches run automatic movements — the Bremont Supermarine 300M uses the BE-92AE and the Oak & Oscar The Humboldt GMT USSS Edition uses the Sellita SW330.

Side by side

Bremont Supermarine 300MvsOak & Oscar The Humboldt GMT USSS Edition

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Bremont Supermarine 300M

sm40-nd-ss-gn-b

MSRP $3,550

Oak & Oscar The Humboldt GMT USSS Edition

HMBDLTGMTUSSS

MSRP $2,200

At a glance

13 of 29 specs differ

Diameter

Supermarine 300M40mm

The Humboldt GMT USSS Edition39.5mm

Power Reserve

Supermarine 300M40h

The Humboldt GMT USSS Edition56 hoursh

Water Resistance

Supermarine 300M300m

The Humboldt GMT USSS Edition200m

MSRP

Supermarine 300M$3,550

The Humboldt GMT USSS Edition$2,200

Full specifications

Case

7 specs

Crystal & Dial

3 specs

Crystal Shape

Flat

Double-domed

Dial Color

Green

Black

Lume

None

Super-LumiNova BGW9

Movement

2 specs

Caliber

BE-92AE

Sellita SW330

Power Reserve

40h

56 hoursh

Pricing

1 specs

MSRP

$3,550

$2,200

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