Which is cheaper, the Aquastar Deepstar Chronograph or the Fortis Marinemaster M-40?

At MSRP the Aquastar Deepstar Chronograph is the cheaper of the two at $2,790, against $3,520 for the Fortis Marinemaster M-40 — a $730 gap before any retailer discounting.

Which is bigger, the Aquastar Deepstar Chronograph or the Fortis Marinemaster M-40?

The Fortis Marinemaster M-40 wears larger at 40mm versus 39mm for the Aquastar Deepstar Chronograph — a 1mm difference across the dial.

Which has better water resistance, the Aquastar Deepstar Chronograph or the Fortis Marinemaster M-40?

The Fortis Marinemaster M-40 is rated to 300m versus 200m for the Aquastar Deepstar Chronograph.

Which has a longer power reserve, the Aquastar Deepstar Chronograph or the Fortis Marinemaster M-40?

The Aquastar Deepstar Chronograph carries a 55-hour power reserve against 38 hours on the Fortis Marinemaster M-40.

Side by side

Aquastar Deepstar ChronographvsFortis Marinemaster M-40

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

Add a watch

Aquastar Deepstar Chronograph

MSRP $2,790

See the full Deepstar Chronograph

Fortis Marinemaster M-40

M-40

MSRP $3,520

See the full Marinemaster M-40

At a glance

12 of 29 specs differ

Diameter

Deepstar Chronograph39mm

Marinemaster M-4040mm

Power Reserve

Deepstar Chronograph55h

Marinemaster M-4038h

Water Resistance

Deepstar Chronograph200m

Marinemaster M-40300m

MSRP

Deepstar Chronograph$2,790

Marinemaster M-40$3,520

Full specifications

Case

6 specs

Crystal & Dial

1 specs

Dial Color

Silver

Orange

Movement

4 specs

Caliber

—

Sellita SW220-1

Beat Rate

0 vph

28,800 vph

Power Reserve

55h

38h

Jewels

Pricing

1 specs

MSRP

$2,790

$3,520

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Olech & Wajs Watchesmicro

Follow this matchup

Get a note when Aquastar Deepstar Chronograph vs Fortis Marinemaster M-40 gets more votes, a community discussion, or a price drop. No account needed.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.

Aquastar Deepstar IIvsFortis Marinemaster M-40 Fortis Marinemaster M-40vsZelos Vitesse Fortis Marinemaster M-40vsLorca MODEL No.2 CHRONOGRAPH Fortis Marinemaster M-40vsBaltic Scalegraph Aquastar Deepstar ChronographvsSynchron SEALAB Ti300M Aquastar Deepstar ChronographvsZelos Swordfish 3

Edit this comparison Add another watch Explore more 38–41mm watches

Aquastar Deepstar ChronographvsFortis Marinemaster M-40

At a glance

Full specifications

More watches worth a look

COUPE DES ALPES

Arctic OSAR 41mm Automatic

RALLYE DE PARIS

G50 Freccia Blu Soleil

Fire Exit Watch

Airstar Chronograph

AQUAMATIC

RN81 Clearance Diver Automatic Watch

Follow this matchup

People also compared