Side by side

Marathon OSAR-D (Original SAR with Date) Automatic 46mmvsSinn EZM 3F

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

OSAR-D (Original SAR with Date) Automatic 46mm
MarathonOSAR-D (Original SAR with Date) Automatic 46mm
MSRP $2,500
EZM 3F
SinnEZM 3F
MSRP $1,933

At a glance

18 of 29 specs differ
Diameter
OSAR-D (Original SAR with Date) Automatic 46mm46mm
EZM 3F41mm
Power Reserve
OSAR-D (Original SAR with Date) Automatic 46mm40h
EZM 3F38h
Water Resistance
OSAR-D (Original SAR with Date) Automatic 46mm300m
EZM 3F200m
MSRP
OSAR-D (Original SAR with Date) Automatic 46mm$2,500
EZM 3F$1,933

Full specifications

Case

9 specs
Category
Diver
Tool
Diameter
46mm
41mm
Thickness
13mm
11.7mm
Lug-to-Lug
43.5mm
Lug Width
18mm
20mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed and polished
bead-blasted
Water Resistance
300m
200m
Caseback
Solid

Crystal & Dial

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

Movement

4 specs
Caliber
Sellita SW220-1
SW200-1
Power Reserve
40h
38h
Jewels
25
26
Complications
None
Date, Pilot's Bezel

Pricing

1 specs
MSRP
$2,500
$1,933

Follow this matchup

Get a note when Marathon OSAR-D (Original SAR with Date) Automatic 46mm vs Sinn EZM 3F gets more votes, a community discussion, or a price drop. No account needed.

What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

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.

Sinn EZM 3F

Owners widely praise the Sinn EZM 3F for its excellent legibility, robust bead-blasted build, and practical left-hand crown, with some noting its compact, slim wearability and smart appearance on a bracelet. One owner flags minor finishing imperfections and an awkward date window placement, and expresses a desire for tegimented scratch resistance. Overall, owners rate the Sinn EZM 3F highly for its practical mission timer design and compact wearability.

From video reviewers

The Sinn EZM 3F's Ar-Dehumidifying Technology for fogging prevention and temperature resistance is a key strength. Reviewers noted the bracelet lacked on-the-fly micro-adjustment and diver's extensions.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.