Side by side

Fortis Marinemaster M-40vsRolex Rolex Deepsea

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
Rolex Deepsea
RolexRolex Deepsea
MSRP $15,550
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.

From video reviewers

The watch's Swiss Made construction and robust design are consistently praised. Reviewers noted the bracelet as a potential point of contention.

Rolex Deepsea

Owners widely report the Rolex Deepsea is a substantial, well-built watch with impressive engineering, praised for its robust compression architecture and the caliber 3235 movement's stringent accuracy certification. Some owners find the Rolex Deepsea exceptionally comfortable on a Rubber B strap, while others note it is thick and heavy but well-balanced by its bracelet. The watch's large size is polarizing, with some finding it niche and potentially too large for smaller wrists, while others appreciate its unique design elements and consider it Rolex's most serious workhorse. On balance, owners and reviewers rate the Rolex Deepsea highly for its impressive engineering and robust build, despite its polarizing size.

At a glance

16 of 29 specs differ
Diameter
Marinemaster M-4040mm
Rolex Deepsea44mm
Power Reserve
Marinemaster M-4038h
Rolex Deepsea70h
Water Resistance
Marinemaster M-40300m
Rolex Deepsea3,900m
MSRP
Marinemaster M-40$3,520
Rolex Deepsea$15,550

Full specifications

Case

7 specs
Diameter
40mm
44mm
Thickness
13mm
5.5mm
Lug Width
21mm
Material
Stainless Steel
Oystersteel
Finish
Brushed and polished
Water Resistance
300m
3900m
Caseback
Solid
Monobloc middle case, screw-down case back and winding crown. Rolex Ringlock System case architecture with Helium escape valve

Crystal & Dial

4 specs
AR Coating
Inner
Dial Color
Orange
Black
Indices
Applied
Index
Lume
None
Chromalight

Movement

4 specs
Caliber
Sellita SW220-1
3235
Power Reserve
38h
70h
Jewels
26
31
Complications
None
Date

Pricing

1 specs
MSRP
$3,520
$15,550
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