Side by side

Sinn EZM 13.1vsFortis Marinemaster M-44

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
FortisMarinemaster M-44
MSRP $5,120

At a glance

14 of 29 specs differ
Diameter
EZM 13.141mm
Marinemaster M-4444mm
Power Reserve
EZM 13.138h
Marinemaster M-4438h
Water Resistance
EZM 13.1500m
Marinemaster M-44300m
MSRP
EZM 13.1$3,780
Marinemaster M-44$5,120

Full specifications

Case

6 specs
Diameter
41mm
44mm
Thickness
15mm
14mm
Lug Width
20mm
22mm
Finish
bead-blasted
Brushed and polished
Water Resistance
500m
300m
Caseback
Solid

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Underside
Inner
Dial Color
Black
Orange
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
$5,120

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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

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.

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