Side by side
Fortis Marinemaster M-44vsRolex Deepsea Challenge
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
16 of 29 specs differDiameter
Marinemaster M-4444mm
Deepsea Challenge50mm
Power Reserve
Marinemaster M-4438h
Deepsea Challenge70h
Water Resistance
Marinemaster M-44300m
Deepsea Challenge1,000m
MSRP
Marinemaster M-44$5,120
Deepsea Challenge$29,100
Full specifications
Case
8 specsDiameter
44mm
50mm
Thickness
14mm
9.5mm
Lug-to-Lug
—
46mm
Lug Width
22mm
—
Material
Stainless Steel
RLX Titanium
Finish
Brushed and polished
RLX titanium
Water Resistance
300m
1000m
Caseback
Solid
Monobloc middle case, screw-down case back and winding crown. Rolex Ringlock system case architecture with nitrogen-alloyed steel ring and helium escape valve
Crystal & Dial
4 specsAR Coating
Inner
—
Dial Color
Orange
Black
Indices
Applied
Index
Lume
None
Chromalight
Movement
3 specsCaliber
Sellita SW220-1
3230
Power Reserve
38h
70h
Jewels
26
31
Pricing
1 specsMSRP
$5,120
$29,100
More watches worth a look
Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.
Follow this matchup
Get a note when Fortis Marinemaster M-44 vs Rolex Deepsea Challenge gets more votes, a community discussion, or a price drop. No account needed.
People also compared
Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.
Marathon OSAR-D (Original SAR with Date) Automatic 46mmvsRolex Deepsea ChallengeMarathon Arctic OSAR 46mm AutomaticvsRolex Deepsea ChallengeMarathon JDD (Jumbo Day/Date) Anthracite Diver's AutomaticvsRolex Deepsea ChallengeRolex Deepsea ChallengevsSpinnaker Dumas AutomaticChristopher Ward C60 Sapphire EdgevsFortis Marinemaster M-44Christopher Ward C60 LympstonevsFortis Marinemaster M-44











