Side by side

Marathon Arctic OSAR 41mm AutomaticvsSinn T50 GBDR

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
T50 GBDR
SinnT50 GBDR
MSRP $4,428

At a glance

16 of 29 specs differ
Diameter
Arctic OSAR 41mm Automatic41mm
T50 GBDR41mm
Power Reserve
Arctic OSAR 41mm Automatic40h
T50 GBDR38h
Water Resistance
Arctic OSAR 41mm Automatic300m
T50 GBDR500m
MSRP
Arctic OSAR 41mm Automatic$1,800
T50 GBDR$4,428

Full specifications

Case

7 specs
Thickness
13mm
12.3mm
Lug-to-Lug
43.5mm
Lug Width
18mm
20mm
Material
316L Stainless Steel
Titanium
Finish
Brushed and polished
bead-blasted
Water Resistance
300m
500m
Caseback
Solid

Crystal & Dial

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

Movement

3 specs
Caliber
Sellita SW220-1
SW 300-1
Power Reserve
40h
38h
Complications
None
Date

Pricing

1 specs
MSRP
$1,800
$4,428

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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 T50 GBDR

The Sinn T50 GBDR features a titanium case with a GoldBronze bezel and matte black dial, presenting a two-tone toolish aesthetic that reviewers find appealing. The GoldBronze alloy offers improved skin compatibility and corrosion resistance, developing patina slower than standard bronze. Reviewers note a stamped clasp that can come loose and suggest the price point may be high for some Sinn enthusiasts.

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