Which has better water resistance, the Marathon OSAR-D (Original SAR with Date) Automatic 41mm or the Sinn EZM 3F?

The Marathon OSAR-D (Original SAR with Date) Automatic 41mm is rated to 300m versus 200m for the Sinn EZM 3F.

Which has a longer power reserve, the Marathon OSAR-D (Original SAR with Date) Automatic 41mm or the Sinn EZM 3F?

The Marathon OSAR-D (Original SAR with Date) Automatic 41mm carries a 40-hour power reserve against 38 hours on the Sinn EZM 3F.

Side by side

Marathon OSAR-D (Original SAR with Date) Automatic 41mmvsSinn EZM 3F

Q: Which is cheaper, the Marathon OSAR-D (Original SAR with Date) Automatic 41mm or the Sinn EZM 3F?

At MSRP the Marathon OSAR-D (Original SAR with Date) Automatic 41mm is the cheaper of the two at $1,800, against $1,933 for the Sinn EZM 3F — a $133 gap before any retailer discounting.

Q: What movement does the Marathon OSAR-D (Original SAR with Date) Automatic 41mm run compared to the Sinn EZM 3F?

Both watches run automatic movements — the Marathon OSAR-D (Original SAR with Date) Automatic 41mm uses the Sellita SW220-1 and the Sinn EZM 3F uses the SW200-1.

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

Marathon OSAR-D (Original SAR with Date) Automatic 41mm

41mm-original-sar-w-date-osar-d

MSRP $1,800

Sinn EZM 3F

EZM 3F

MSRP $1,933

At a glance

17 of 29 specs differ

Diameter

OSAR-D (Original SAR with Date) Automatic 41mm41mm

EZM 3F41mm

Power Reserve

OSAR-D (Original SAR with Date) Automatic 41mm40h

EZM 3F38h

Water Resistance

OSAR-D (Original SAR with Date) Automatic 41mm300m

EZM 3F200m

MSRP

OSAR-D (Original SAR with Date) Automatic 41mm$1,800

EZM 3F$1,933

Full specifications

Case

8 specs

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

Complications

None

Date, Pilot's Bezel

Pricing

1 specs

MSRP

$1,800

$1,933

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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.

Marathon OSAR-D (Original SAR with Date) Automatic 41mm

The Marathon OSAR-D (Original SAR with Date) Automatic 41mm is noted for its highly legible white dial with applied hour markers and a functional date magnifier, emphasizing its tool-watch purpose. Its Swiss-made Sellita SW200-1 movement is considered reliable and serviceable. One reviewer found the bracelet lacked refinement and preferred the rubber strap option. Overall, owners and reviewers appreciate the Marathon OSAR-D (Original SAR with Date) Automatic 41mm for its excellent legibility and robust movement.

Fratello

A Blog to Watch

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.

WatchUSeek

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