Side by side

Sinn EZM 13.1vsFortis Marinemaster M-44 DLC

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

EZM 13.1
SinnEZM 13.1
MSRP $3,780
Marinemaster M-44 DLC
FortisMarinemaster M-44 DLC
MSRP $5,450

At a glance

14 of 29 specs differ
Diameter
EZM 13.141mm
Marinemaster M-44 DLC44mm
Power Reserve
EZM 13.138h
Marinemaster M-44 DLC38h
Water Resistance
EZM 13.1500m
Marinemaster M-44 DLC300m
MSRP
EZM 13.1$3,780
Marinemaster M-44 DLC$5,450

Full specifications

Case

7 specs
Diameter
41mm
44mm
Thickness
15mm
14mm
Lug Width
20mm
22mm
Material
Stainless Steel
Stainless Steel (DLC)
Finish
bead-blasted
Brushed and polished
Water Resistance
500m
300m
Caseback
Solid

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Underside
Inner
Indices
Applied
Lume
Luminescent
None

Movement

2 specs
Caliber
SINN Movement SZ02
Sellita SW220-1
Complications
Date, Chronograph
None

Pricing

1 specs
MSRP
$3,780
$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 EZM 13.1

Owners widely praise the Sinn EZM 13.1 for its robust, tank-like build and purpose-built, rugged design with unique technological features. Some owners note accuracy averaging +6 to +8 seconds per day. One owner reported a misaligned hour hand, a stuttering chrono register in extreme cold, and discovered its case was not made by SUG. Owners are split on the watch's chunky nature and bracelet, with some finding it unsuitable. Overall, owners rate the Sinn EZM 13.1 highly for its unique, rugged design and robust build.

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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