Which is cheaper, the Fortis Marinemaster M-40 or the Longines CONQUEST?

At MSRP the Longines CONQUEST is the cheaper of the two at $2,400, against $3,520 for the Fortis Marinemaster M-40 — a $1,120 gap before any retailer discounting.

Which is bigger, the Fortis Marinemaster M-40 or the Longines CONQUEST?

The Longines CONQUEST wears larger at 41mm versus 40mm for the Fortis Marinemaster M-40 — a 1mm difference across the dial.

Which has better water resistance, the Fortis Marinemaster M-40 or the Longines CONQUEST?

The Fortis Marinemaster M-40 is rated to 300m versus 100m for the Longines CONQUEST.

Which has a longer power reserve, the Fortis Marinemaster M-40 or the Longines CONQUEST?

The Longines CONQUEST carries a 72-hour power reserve against 38 hours on the Fortis Marinemaster M-40.

What movement does the Fortis Marinemaster M-40 run compared to the Longines CONQUEST?

Both watches run automatic movements — the Fortis Marinemaster M-40 uses the Sellita SW220-1 and the Longines CONQUEST uses the L888.5.

Side by side

Fortis Marinemaster M-40vsLongines CONQUEST

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

Longines CONQUEST

L3.830.4.02.6

MSRP $2,400

At a glance

20 of 29 specs differ

Diameter

Marinemaster M-4040mm

CONQUEST41mm

Power Reserve

Marinemaster M-4038h

CONQUEST72h

Water Resistance

Marinemaster M-40300m

CONQUEST100m

MSRP

Marinemaster M-40$3,520

CONQUEST$2,400

Full specifications

Case

7 specs

Crystal & Dial

5 specs

Crystal Shape

Flat

—

AR Coating

Inner

Both sides

Dial Color

Orange

Green

Indices

Applied

Applied indexes

Lume

None

Super-LumiNova

Movement

7 specs

Caliber

Sellita SW220-1

L888.5

Beat Rate

28,800 vph

25,200 vph

Power Reserve

38h

72h

Jewels

Hacking

Yes

Hand-winding

Yes

Complications

None

Hours, minutes, seconds and date

Pricing

1 specs

MSRP

$3,520

$2,400

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What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Fortis Marinemaster M-40

Owners praise the Fortis Amber Orange for its gorgeous appearance and strong wrist presence, noting its crazy lume and 70-hour power reserve. The Doxa SUB 300T, described as having a superb, eccentric design with a highly legible dial and functional no-decompression bezel, uses an ETA 2824-2 movement. However, the SUB 300T's 42.5mm case wears large and its 14mm thickness is not ideal for dress shirts, though it boasts 1,200m water resistance. On balance, owners appreciate the Fortis Amber Orange for its striking aesthetics and impressive lume.

WatchUSeek·2

Longines CONQUEST

Owners widely praise the Longines Conquest for its exceptional finishing, versatile design, and strong value, with many highlighting its smooth winding action and comfortable wearability. Reviewers and owners alike note the bracelet's lack of micro-adjustment as a common drawback, and some find the polished surfaces prone to scratches. Accuracy figures range from -2s/d to -6s/d, and the power reserve is 72 hours. On balance, owners and reviewers rate the Longines Conquest highly for its blend of elegance and sportiness at an accessible price point.

From video reviewers

The dial's eye-catching sunray finish and elegant design are consistently praised. The bracelet's refinement and perceived lack of quality are noted as a weakness. Reviewers disagree on the bracelet's quality, with one comparing it favorably to a Tudor Jubilee while another found it lacking.

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