Which is cheaper, the Bremont Altitude 39 Date or the Fortis Marinemaster M-40?

At MSRP the Fortis Marinemaster M-40 is the cheaper of the two at $3,520, against $4,250 for the Bremont Altitude 39 Date — a $730 gap before any retailer discounting.

Which is bigger, the Bremont Altitude 39 Date or the Fortis Marinemaster M-40?

The Fortis Marinemaster M-40 wears larger at 40mm versus 39mm for the Bremont Altitude 39 Date — a 1mm difference across the dial.

Which has better water resistance, the Bremont Altitude 39 Date or the Fortis Marinemaster M-40?

The Fortis Marinemaster M-40 is rated to 300m versus 100m for the Bremont Altitude 39 Date.

Which has a longer power reserve, the Bremont Altitude 39 Date or the Fortis Marinemaster M-40?

The Bremont Altitude 39 Date carries a 40-hour power reserve against 38 hours on the Fortis Marinemaster M-40.

What movement does the Bremont Altitude 39 Date run compared to the Fortis Marinemaster M-40?

Both watches run automatic movements — the Bremont Altitude 39 Date uses the BE-92AE and the Fortis Marinemaster M-40 uses the Sellita SW220-1.

Side by side

Bremont Altitude 39 DatevsFortis Marinemaster M-40

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

Bremont Altitude 39 Date

alt39-dt-ss-si-l-s

MSRP $4,250

Fortis Marinemaster M-40

M-40

MSRP $3,520

At a glance

11 of 29 specs differ

Diameter

Altitude 39 Date39mm

Marinemaster M-4040mm

Power Reserve

Altitude 39 Date40h

Marinemaster M-4038h

Water Resistance

Altitude 39 Date100m

Marinemaster M-40300m

MSRP

Altitude 39 Date$4,250

Marinemaster M-40$3,520

Full specifications

Case

6 specs

Crystal & Dial

1 specs

Dial Color

Silver

Orange

Movement

3 specs

Caliber

BE-92AE

Sellita SW220-1

Power Reserve

40h

38h

Jewels

Pricing

1 specs

MSRP

$4,250

$3,520

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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.

Bremont Altitude 39 Date

Owners and reviewers widely praise the Bremont Altitude 39 Date as a sleek, legible, and everyday-suited pilot's watch, noting its comfortable 39mm 904L steel case and clean dial design. The La Joux-Perret G100 movement is recognized for its 68-hour power reserve and smooth winding feel. Some owners note the bracelet lacks micro-adjustments. On balance, the consensus is that the Bremont Altitude 39 Date is highly regarded for its refined finishing and wearability at 39mm.

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.

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