Side by side

Sinn 155 S Revolution IIvsMarathon OSAR-D (Original SAR with Date) Automatic 46mm

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
OSAR-D (Original SAR with Date) Automatic 46mm
MarathonOSAR-D (Original SAR with Date) Automatic 46mm
MSRP $2,500

At a glance

18 of 29 specs differ
Diameter
155 S Revolution II43mm
OSAR-D (Original SAR with Date) Automatic 46mm46mm
Power Reserve
155 S Revolution II48h
OSAR-D (Original SAR with Date) Automatic 46mm40h
Water Resistance
155 S Revolution II100m
OSAR-D (Original SAR with Date) Automatic 46mm300m
MSRP
155 S Revolution II$4,050
OSAR-D (Original SAR with Date) Automatic 46mm$2,500

Full specifications

Case

9 specs
Category
Tool
Diver
Diameter
43mm
46mm
Thickness
14.75mm
13mm
Lug-to-Lug
43.5mm
Lug Width
20mm
18mm
Material
Stainless Steel
316L Stainless Steel
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
40h
Jewels
27
25
Complications
Chronograph, Pilot's Bezel
None

Pricing

1 specs
MSRP
$4,050
$2,500

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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.

Marathon OSAR-D (Original SAR with Date) Automatic 46mm

The Marathon OSAR-D (Original SAR with Date) Automatic 46mm is widely regarded as a rugged and legible timepiece, featuring a familiar geometric dial with MaraGlo lume and a white dial with applied hour markers that enhance legibility. Owners and reviewers note its 300-meter water resistance and the reliable Swiss-made Sellita SW200-1 automatic movement with improved shock protection. The watch is described as large, thick, and heavy, with some owners finding it comfortable on the wrist while others note its substantial presence, particularly at a table. Overall, owners and reviewers appreciate the Marathon OSAR-D (Original SAR with Date) Automatic 46mm for its rugged build and excellent legibility.

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