Side by side

Sinn 358 DIAPALvsMarathon Arctic OSAR 46mm Automatic

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

358 DIAPAL
Sinn358 DIAPAL
MSRP $4,255
Arctic OSAR 46mm Automatic
MarathonArctic OSAR 46mm Automatic
MSRP $2,500

At a glance

19 of 29 specs differ
Diameter
358 DIAPAL42mm
Arctic OSAR 46mm Automatic46mm
Power Reserve
358 DIAPAL48h
Arctic OSAR 46mm Automatic40h
Water Resistance
358 DIAPAL100m
Arctic OSAR 46mm Automatic300m
MSRP
358 DIAPAL$4,255
Arctic OSAR 46mm Automatic$2,500

Full specifications

Case

9 specs
Category
Tool
Diver
Diameter
42mm
46mm
Thickness
15mm
13mm
Lug-to-Lug
43.5mm
Lug Width
22mm
18mm
Material
Stainless Steel
316L Stainless Steel
Finish
satinized
Brushed and polished
Water Resistance
100m
300m
Caseback
Solid

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Underside
Inner
Dial Color
Anthracite
White
Indices
Applied
Lume
Luminescent
None

Movement

4 specs
Caliber
LJP L100
Sellita SW220-1
Power Reserve
48h
40h
Jewels
26
25
Complications
GMT, Date, Chronograph
None

Pricing

1 specs
MSRP
$4,255
$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 358 DIAPAL

The Sinn 358 DIAPAL is widely praised as a handsome, unfussy tool watch with excellent legibility and solid construction, featuring a reliable and exact second timezone complication. Owners and reviewers highlight its DIAPAL oil-free escapement and Ar-Dehumidifying technology for contributing to its accuracy, and note the 42mm brushed stainless steel case is well-sized. One reviewer flags the skeletonized GMT hand as sometimes lacking legibility. Overall, owners and reviewers rate the Sinn 358 DIAPAL highly for its robust build and practical travel watch functionality.

Marathon Arctic OSAR 46mm Automatic

Owners widely praise the Marathon Arctic OSAR 46mm Automatic for its overbuilt toughness and industrial, instrument-like aesthetic, with some preferring the Arctic dial for legibility. One owner notes the automatic movement may be unnecessary for rough use compared to a quartz option. Reviewers mention the MaraGlo luminous paint and a Sellita SW200-1 automatic movement. Some owners question its rising price and luxury positioning, with one reporting poor lume and movement performance. Overall, owners value the Marathon Arctic OSAR 46mm Automatic for its robust build and utilitarian design.

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