Side by side

Sinn 155 S Revolution IIvsFortis Marinemaster M-44 DLC

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 DLC
FortisMarinemaster M-44 DLC
MSRP $5,450

At a glance

17 of 29 specs differ
Diameter
155 S Revolution II43mm
Marinemaster M-44 DLC44mm
Power Reserve
155 S Revolution II48h
Marinemaster M-44 DLC38h
Water Resistance
155 S Revolution II100m
Marinemaster M-44 DLC300m
MSRP
155 S Revolution II$4,050
Marinemaster M-44 DLC$5,450

Full specifications

Case

8 specs
Category
Tool
Diver
Diameter
43mm
44mm
Thickness
14.75mm
14mm
Lug Width
20mm
22mm
Material
Stainless Steel
Stainless Steel (DLC)
Finish
bead-blasted
Brushed and polished
Water Resistance
100m
300m
Caseback
Solid

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Underside
Inner
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
$5,450

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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 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 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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