Side by side

Fortis Marinemaster M-44vsSeiko Astron

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
Astron
SeikoAstron
MSRP $2,200

At a glance

15 of 29 specs differ
Diameter
Marinemaster M-4444mm
Astron41.2mm
Power Reserve
Marinemaster M-4438h
Astron40h
Water Resistance
Marinemaster M-44300m
Astron100m
MSRP
Marinemaster M-44$5,120
Astron$2,200

Full specifications

Case

7 specs
Category
Diver
Dress
Diameter
44mm
41.2mm
Thickness
14mm
12mm
Lug-to-Lug
48.5mm
Lug Width
22mm
14mm
Material
Stainless Steel
Titanium
Water Resistance
300m
100m

Crystal & Dial

3 specs
AR Coating
Inner
Super-clear coating
Dial Color
Orange
Black
Lume
None
LumiBrite on hands and index(es)

Movement

4 specs
Caliber
Sellita SW220-1
3X62
Type
Automatic
Quartz
Power Reserve
38h
40h
Jewels
26
10

Pricing

1 specs
MSRP
$5,120
$2,200

Follow this matchup

Get a note when Fortis Marinemaster M-44 vs Seiko Astron 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.

Seiko Astron

Owners widely praise the Seiko Astron for its spectacular time-telling technology, GPS time sync, and grab-and-go convenience, with many calling it the best watch they have ever owned. Reviewers and owners highlight the well-managed dial detail, textured hour markers, and high-contrast edges, as well as the well-finished case and bracelet. Some find the lightweight titanium build and quick bracelet adjustment contribute to comfortable wearability. Accuracy is noted as +/- 15 seconds per month without GPS, though the autonomous quartz movement can be easily reset by looking at the sky. Criticisms include DST not being automatically implemented, recessed buttons requiring a sharp object for adjustment, and sparse lume with no 12 o'clock marker. Some owners feel the price point is too expensive for its aesthetic appeal. Overall, owners rate the Seiko Astron highly for its advanced time-telling technology and convenient features.

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.