Side by side

Marathon Arctic OSAR 41mm AutomaticvsSinn 900 DIAPAL

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

Arctic OSAR 41mm Automatic
MarathonArctic OSAR 41mm Automatic
MSRP $1,800
900 DIAPAL
Sinn900 DIAPAL
MSRP $5,000

At a glance

18 of 29 specs differ
Diameter
Arctic OSAR 41mm Automatic41mm
900 DIAPAL44mm
Power Reserve
Arctic OSAR 41mm Automatic40h
900 DIAPAL42h
Water Resistance
Arctic OSAR 41mm Automatic300m
900 DIAPAL200m
MSRP
Arctic OSAR 41mm Automatic$1,800
900 DIAPAL$5,000

Full specifications

Case

9 specs
Category
Diver
Tool
Diameter
41mm
44mm
Thickness
13mm
15.5mm
Lug-to-Lug
43.5mm
Lug Width
18mm
22mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed and polished
satinized
Water Resistance
300m
200m
Caseback
Solid

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Inner
Underside
Dial Color
White
Anthracite
Lume
None
Luminescent

Movement

4 specs
Caliber
Sellita SW220-1
LJP L120
Power Reserve
40h
42h
Jewels
25
26
Complications
None
GMT, Date, Chronograph, Pilot's Bezel

Pricing

1 specs
MSRP
$1,800
$5,000

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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 Arctic OSAR 41mm Automatic

The Marathon Arctic OSAR 41mm Automatic is noted for its comfortable wearability on wrists under 7 inches, with one owner finding the 41mm size perfect. Accuracy observations vary, with one owner reporting a consistent +1 second per day and another noting -20 seconds per day. The watch features a Sellita automatic movement and has dimensions of 14mm thickness and a 48mm lug-to-lug. Overall, owners appreciate the Marathon Arctic OSAR 41mm Automatic for its comfortable fit and Marathon's overall appeal.

Sinn 900 DIAPAL

Owners praise the Sinn 900 DIAPAL for its 24-hour GMT hand and Sinn's proprietary technologies including the TEGIMENT case, AR dehumidification, and copper phosphate tablet. The internal rotating bezel is noted as very easy to turn but prone to being knocked out of position, making it unreliable for elapsed time. Some owners find the large dial contributes to an illusion of a bigger watch. On balance, owners value the Sinn 900 DIAPAL for its advanced proprietary technologies and GMT functionality.

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