Side by side

Citizen Atomic Perpetual A-TvsFortis Marinemaster M-44 DLC

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

Marinemaster M-44 DLC
FortisMarinemaster M-44 DLC
MSRP $5,450

At a glance

14 of 29 specs differ
Diameter
Atomic Perpetual A-T41mm
Marinemaster M-44 DLC44mm
Power Reserve
Atomic Perpetual A-T40h
Marinemaster M-44 DLC38h
Water Resistance
Atomic Perpetual A-T200m
Marinemaster M-44 DLC300m
MSRP
Atomic Perpetual A-T
Marinemaster M-44 DLC$5,450

Full specifications

Case

7 specs
Category
Pilot
Diver
Diameter
41mm
44mm
Thickness
12mm
14mm
Lug-to-Lug
46mm
Lug Width
20mm
22mm
Material
Stainless Steel
Stainless Steel (DLC)
Water Resistance
200m
300m

Crystal & Dial

2 specs
AR Coating
Underside
Inner
Dial Color
Blue
Black

Movement

4 specs
Caliber
H800
Sellita SW220-1
Type
Solar
Automatic
Power Reserve
40h
38h
Jewels
25
26

Pricing

1 specs
MSRP
$5,450

Follow this matchup

Get a note when Citizen Atomic Perpetual A-T vs Fortis Marinemaster M-44 DLC 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.

Citizen Atomic Perpetual A-T

Owners widely praise the Citizen Atomic Perpetual A-T for its handsome appearance, solid fit and finish, comfortable bracelet, and intuitive world time function. Its perpetual calendar and atomic timekeeping are highlighted as major conveniences, maintaining accuracy within 0.5 seconds even without syncing, and owners appreciate its "set & forget" nature and solar charging. The watch features a modest, stylish blue dial with delicate design details and a clutter-free layout, along with high water resistance without a screw-down crown and light titanium construction. Some find the dial unnecessarily busy, and its time zone functionality is noted as less useful outside the US, with atomic sync being less compelling below the equator. Accuracy is reported as +/-15 seconds per month if not syncing, but +/-0 seconds if it syncs via radio signal. Some find the watch a bit on the large side.

Fortis Marinemaster M-44 DLC

The Fortis Marinemaster M-44 DLC is widely praised for its robust COSC-certified Kenissi Werk 11 movement, offering a 70-hour power reserve, and its stealthy, scratch-resistant Dianoir DLC coating. Owners find it comfortable to wear despite its 44mm size, with one owner considering it a standout piece. Some reviewers note a subtle difference in the color tone of the DLC coating on the crown and bezel lock between variants. Overall, owners and reviewers regard the Fortis Marinemaster M-44 DLC highly for its durable construction and reliable, high-spec movement.

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.