Side by side

Marathon OSAR-D (Original SAR with Date) Automatic 46mmvsSinn 910 SRS

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
910 SRS
Sinn910 SRS
MSRP $4,158

At a glance

16 of 29 specs differ
Diameter
OSAR-D (Original SAR with Date) Automatic 46mm46mm
910 SRS41.5mm
Power Reserve
OSAR-D (Original SAR with Date) Automatic 46mm40h
910 SRS48h
Water Resistance
OSAR-D (Original SAR with Date) Automatic 46mm300m
910 SRS100m
MSRP
OSAR-D (Original SAR with Date) Automatic 46mm$2,500
910 SRS$4,158

Full specifications

Case

9 specs
Category
Diver
Tool
Diameter
46mm
41.5mm
Thickness
13mm
15.1mm
Lug-to-Lug
43.5mm
Lug Width
18mm
22mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed and polished
polished/satinised
Water Resistance
300m
100m
Caseback
Solid

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
25
27
Complications
None
Chronograph

Pricing

1 specs
MSRP
$2,500
$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 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 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.

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