Side by side

Fortis Marinemaster M-44vsLongines PrimaLuna Moonphase

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

Marinemaster M-44
FortisMarinemaster M-44
MSRP $5,120
PrimaLuna Moonphase
LonginesPrimaLuna Moonphase
MSRP $2,950

At a glance

21 of 29 specs differ
Diameter
Marinemaster M-4444mm
PrimaLuna Moonphase34mm
Power Reserve
Marinemaster M-4438h
PrimaLuna Moonphase72h
Water Resistance
Marinemaster M-44300m
PrimaLuna Moonphase30m
MSRP
Marinemaster M-44$5,120
PrimaLuna Moonphase$2,950

Full specifications

Case

8 specs
Category
Diver
Moonphase
Diameter
44mm
34mm
Thickness
14mm
11.6mm
Lug-to-Lug
41mm
Lug Width
22mm
8mm
Finish
Brushed and polished
Water Resistance
300m
30m
Caseback
Solid
Transparent case back with sapphire crystal

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Inner
Both sides
Dial Color
Orange
Blue
Indices
Applied
Diamond indexes
Lume
None
Super-LumiNova

Movement

7 specs
Caliber
Sellita SW220-1
L899.5
Beat Rate
28,800 vph
25,200 vph
Power Reserve
38h
72h
Jewels
26
0
Hacking
Yes
No
Hand-winding
Yes
No
Complications
None
Hours, minutes, seconds and date, Moon phase display at 6 o'clock

Pricing

1 specs
MSRP
$5,120
$2,950

Follow this matchup

Get a note when Fortis Marinemaster M-44 vs Longines PrimaLuna Moonphase gets more votes, a community discussion, or a price drop. No account needed.

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-44

The Fortis Marinemaster M-44 is praised for its excellent build quality and wearability, featuring a highly legible dial and a COSC-certified Kenissi-based movement that ran at 0 seconds per day. Owners appreciate its 70-hour power reserve and the inclusion of multiple straps and a deployant buckle, noting its gorgeous appearance and great wrist presence. A minor point raised is the 21mm lug width, with a wish for it to be 22mm. The Fortis Marinemaster M-44 is priced at $4,150. Overall, owners and reviewers rate the Fortis Marinemaster M-44 highly for its robust specifications and comfortable wearability at its price point.

Longines PrimaLuna Moonphase

The Longines PrimaLuna Moonphase features a fluid case design and a 72-hour power reserve from its automatic movement. Owners note its accuracy averages 1.3 seconds lost per day across six positions, and 3 to 4 seconds on the wrist, performing within COSC standards. Previously, moon phase models utilized quartz movements, a detail that may not appeal to mechanical watch enthusiasts. Overall, owners rate the Longines PrimaLuna Moonphase highly for its updated automatic movement and reliable timekeeping.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.