Side by side

Fortis Marinemaster M-40vsLongines HYDROCONQUEST

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

Marinemaster M-40
FortisMarinemaster M-40
MSRP $3,520
HYDROCONQUEST
LonginesHYDROCONQUEST
MSRP $2,350

At a glance

9 of 29 specs differ
Diameter
Marinemaster M-4040mm
HYDROCONQUEST39mm
Power Reserve
Marinemaster M-4038h
HYDROCONQUEST40h
Water Resistance
Marinemaster M-40300m
HYDROCONQUEST300m
MSRP
Marinemaster M-40$3,520
HYDROCONQUEST$2,350

Full specifications

Case

4 specs
Diameter
40mm
39mm
Thickness
13mm
12.2mm
Lug-to-Lug
48.1mm
Lug Width
21mm
19mm

Crystal & Dial

1 specs
Dial Color
Orange
Grey

Movement

3 specs
Caliber
Sellita SW220-1
L888.5
Power Reserve
38h
40h
Jewels
26
25

Pricing

1 specs
MSRP
$3,520
$2,350

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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.

Longines HYDROCONQUEST

Owners widely praise the Longines HydroConquest's dial and finishing, with one owner finding it superior to a Rolex Submariner. The movement is noted as well-regulated, losing about 2 seconds per day. The watch is considered a versatile everyday or business-casual option, offering good value. However, owners criticize the bracelet for lacking tool-less micro-adjustment and describe winding the crown as a nuisance. Some in the line report tiny GMT markers that are difficult to read and the absence of a quick date adjust feature. Overall, owners rate the Longines HydroConquest highly for its finishing and value.

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