Which is cheaper, the Fortis Marinemaster M-40 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 $3,520 for the Fortis Marinemaster M-40 — a $1,320 gap before any retailer discounting.

Which is bigger, the Fortis Marinemaster M-40 or the Oak & Oscar The Humboldt GMT USSS Edition?

The Fortis Marinemaster M-40 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 Fortis Marinemaster M-40 or the Oak & Oscar The Humboldt GMT USSS Edition?

The Fortis Marinemaster M-40 is rated to 300m versus 200m for the Oak & Oscar The Humboldt GMT USSS Edition.

Which has a longer power reserve, the Fortis Marinemaster M-40 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 38 hours on the Fortis Marinemaster M-40.

What movement does the Fortis Marinemaster M-40 run compared to the Oak & Oscar The Humboldt GMT USSS Edition?

Both watches run automatic movements — the Fortis Marinemaster M-40 uses the Sellita SW220-1 and the Oak & Oscar The Humboldt GMT USSS Edition uses the Sellita SW330.

Side by side

Fortis Marinemaster M-40vsOak & Oscar The Humboldt GMT USSS Edition

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

Fortis Marinemaster M-40

M-40

MSRP $3,520

Oak & Oscar The Humboldt GMT USSS Edition

HMBDLTGMTUSSS

MSRP $2,200

At a glance

15 of 29 specs differ

Diameter

Marinemaster M-4040mm

The Humboldt GMT USSS Edition39.5mm

Power Reserve

Marinemaster M-4038h

The Humboldt GMT USSS Edition56 hoursh

Water Resistance

Marinemaster M-40300m

The Humboldt GMT USSS Edition200m

MSRP

Marinemaster M-40$3,520

The Humboldt GMT USSS Edition$2,200

Full specifications

Case

8 specs

Crystal & Dial

3 specs

Crystal Shape

Flat

Double-domed

Dial Color

Orange

Black

Lume

None

Super-LumiNova BGW9

Movement

3 specs

Caliber

Sellita SW220-1

Sellita SW330

Power Reserve

38h

56 hoursh

Jewels

Pricing

1 specs

MSRP

$3,520

$2,200

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