Side by side

Sinn 155 S Revolution IIvsFortis Marinemaster M-44

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

155 S Revolution II
Sinn155 S Revolution II
MSRP $4,050
Marinemaster M-44
FortisMarinemaster M-44
MSRP $5,120

At a glance

17 of 29 specs differ
Diameter
155 S Revolution II43mm
Marinemaster M-4444mm
Power Reserve
155 S Revolution II48h
Marinemaster M-4438h
Water Resistance
155 S Revolution II100m
Marinemaster M-44300m
MSRP
155 S Revolution II$4,050
Marinemaster M-44$5,120

Full specifications

Case

7 specs
Category
Tool
Diver
Diameter
43mm
44mm
Thickness
14.75mm
14mm
Lug Width
20mm
22mm
Finish
bead-blasted
Brushed and polished
Water Resistance
100m
300m
Caseback
Solid

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Underside
Inner
Dial Color
Black
Orange
Indices
Applied
Lume
Luminescent
None

Movement

4 specs
Caliber
SW 510
Sellita SW220-1
Power Reserve
48h
38h
Jewels
27
26
Complications
Chronograph, Pilot's Bezel
None

Pricing

1 specs
MSRP
$4,050
$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 155 S Revolution II

The Sinn 155 S Revolution II is widely praised for its TEGIMENT-hardened, black PVD-coated stainless steel case and sapphire crystal, contributing to its durable tool watch identity. Reviewers note its legible bicompax dial with aged-look Super-LumiNova and a ghost-effect bezel, powered by a Sellita SW510 automatic chronograph movement. Owners report a slight misalignment in the 30-minute counter hand, which Sinn considers within tolerance. The watch's 43mm diameter and 51mm lug-to-lug measurement are considered large by some. Price points vary across sources, with one stating $3600 and another $2500 for this limited edition. On balance, owners and reviewers appreciate the Sinn 155 S Revolution II's robust build and vintage-inspired design, despite its substantial size and a minor hand alignment concern.

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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