Which is cheaper, the Fortis Stratoliner S-41 or the Oak & Oscar The Humboldt GMT Titanium?

At MSRP the Oak & Oscar The Humboldt GMT Titanium is the cheaper of the two at $2,950, against $5,450 for the Fortis Stratoliner S-41 — a $2,500 gap before any retailer discounting.

Which is bigger, the Fortis Stratoliner S-41 or the Oak & Oscar The Humboldt GMT Titanium?

The Fortis Stratoliner S-41 wears larger at 41mm versus 39.5mm for the Oak & Oscar The Humboldt GMT Titanium — a 1.5mm difference across the dial.

Which has a longer power reserve, the Fortis Stratoliner S-41 or the Oak & Oscar The Humboldt GMT Titanium?

The Oak & Oscar The Humboldt GMT Titanium carries a 56 hours-hour power reserve against 60 hours on the Fortis Stratoliner S-41.

What movement does the Fortis Stratoliner S-41 run compared to the Oak & Oscar The Humboldt GMT Titanium?

Both watches run automatic movements — the Fortis Stratoliner S-41 uses the Manufacture Caliber WERK 17 and the Oak & Oscar The Humboldt GMT Titanium uses the Sellita SW330.

Side by side

Fortis Stratoliner S-41vsOak & Oscar The Humboldt GMT Titanium

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

Fortis Stratoliner S-41

S-41

MSRP $5,450

Oak & Oscar The Humboldt GMT Titanium

HMBDLTGMTTI

MSRP $2,950

At a glance

16 of 29 specs differ

Diameter

Stratoliner S-4141mm

The Humboldt GMT Titanium39.5mm

Power Reserve

Stratoliner S-4160h

The Humboldt GMT Titanium56 hoursh

Water Resistance

Stratoliner S-41200m

The Humboldt GMT Titanium200m

MSRP

Stratoliner S-41$5,450

The Humboldt GMT Titanium$2,950

Full specifications

Case

7 specs

Crystal & Dial

4 specs

Crystal Shape

Flat

Double-domed

AR Coating

Inner

Underside

Dial Color

White

Green

Lume

None

Super-LumiNova

Movement

4 specs

Caliber

Manufacture Caliber WERK 17

Sellita SW330

Beat Rate

28,800 vph

4 vph

Power Reserve

60h

56 hoursh

Jewels

Pricing

1 specs

MSRP

$5,450

$2,950

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