Side by side

Sinn 900 DIAPALvsFortis Marinemaster M-44 DLC

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

900 DIAPAL
Sinn900 DIAPAL
MSRP $5,000
Marinemaster M-44 DLC
FortisMarinemaster M-44 DLC
MSRP $5,450

At a glance

14 of 29 specs differ
Diameter
900 DIAPAL44mm
Marinemaster M-44 DLC44mm
Power Reserve
900 DIAPAL42h
Marinemaster M-44 DLC38h
Water Resistance
900 DIAPAL200m
Marinemaster M-44 DLC300m
MSRP
900 DIAPAL$5,000
Marinemaster M-44 DLC$5,450

Full specifications

Case

6 specs
Category
Tool
Diver
Thickness
15.5mm
14mm
Material
Stainless Steel
Stainless Steel (DLC)
Finish
satinized
Brushed and polished
Water Resistance
200m
300m
Caseback
Solid

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Underside
Inner
Dial Color
Anthracite
Black
Lume
Luminescent
None

Movement

3 specs
Caliber
LJP L120
Sellita SW220-1
Power Reserve
42h
38h
Complications
GMT, Date, Chronograph, Pilot's Bezel
None

Pricing

1 specs
MSRP
$5,000
$5,450

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What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Sinn 900 DIAPAL

Owners praise the Sinn 900 DIAPAL for its 24-hour GMT hand and Sinn's proprietary technologies including the TEGIMENT case, AR dehumidification, and copper phosphate tablet. The internal rotating bezel is noted as very easy to turn but prone to being knocked out of position, making it unreliable for elapsed time. Some owners find the large dial contributes to an illusion of a bigger watch. On balance, owners value the Sinn 900 DIAPAL for its advanced proprietary technologies and GMT functionality.

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.

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