Which has better water resistance, the Marathon OSAR-D (Original SAR with Date) Automatic 41mm or the Sinn 910 SRS?

The Marathon OSAR-D (Original SAR with Date) Automatic 41mm is rated to 300m versus 100m for the Sinn 910 SRS.

Which has a longer power reserve, the Marathon OSAR-D (Original SAR with Date) Automatic 41mm or the Sinn 910 SRS?

The Sinn 910 SRS carries a 48-hour power reserve against 40 hours on the Marathon OSAR-D (Original SAR with Date) Automatic 41mm.

What movement does the Marathon OSAR-D (Original SAR with Date) Automatic 41mm run compared to the Sinn 910 SRS?

Both watches run automatic movements — the Marathon OSAR-D (Original SAR with Date) Automatic 41mm uses the Sellita SW220-1 and the Sinn 910 SRS uses the Valjoux 7750 Flyback.

Side by side

Marathon OSAR-D (Original SAR with Date) Automatic 41mmvsSinn 910 SRS

Q: Which is cheaper, the Marathon OSAR-D (Original SAR with Date) Automatic 41mm or the Sinn 910 SRS?

At MSRP the Marathon OSAR-D (Original SAR with Date) Automatic 41mm is the cheaper of the two at $1,800, against $4,158 for the Sinn 910 SRS — a $2,358 gap before any retailer discounting.

Q: Which is bigger, the Marathon OSAR-D (Original SAR with Date) Automatic 41mm or the Sinn 910 SRS?

The Sinn 910 SRS wears larger at 41.5mm versus 41mm for the Marathon OSAR-D (Original SAR with Date) Automatic 41mm — a 0.5mm difference across the dial.

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 910 SRS

910 SRS

MSRP $4,158

At a glance

16 of 29 specs differ

Diameter

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

910 SRS41.5mm

Power Reserve

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

910 SRS48h

Water Resistance

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

910 SRS100m

MSRP

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

910 SRS$4,158

Full specifications

Case

9 specs

Crystal & Dial

2 specs

Crystal Shape

Flat

—

AR Coating

Inner

Underside

Movement

4 specs

Caliber

Sellita SW220-1

Valjoux 7750 Flyback

Power Reserve

40h

48h

Jewels

Complications

None

Chronograph

Pricing

1 specs

MSRP

$1,800

$4,158

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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 910 SRS

The Sinn 910 SRS is praised for its handsome, balanced dial design, featuring a cream dial with red accents and a three-register display. Reviewers highlight its flyback column-wheel chronograph complication as fitting for Sinn's innovative tool watch ethos, powered by a modified ETA 7750 movement. The watch's build is noted for being anti-magnetic, shock-resistant, and water-resistant. On balance, reviewers rate the Sinn 910 SRS highly for its classic yet distinct design and its pragmatic, well-executed chronograph functionality.

Hodinkee

A Blog to Watch

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