Side by side

Marathon Arctic OSAR 46mm AutomaticvsSinn T50 GBDR

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

Arctic OSAR 46mm Automatic
MarathonArctic OSAR 46mm Automatic
MSRP $2,500
T50 GBDR
SinnT50 GBDR
MSRP $4,428

At a glance

17 of 29 specs differ
Diameter
Arctic OSAR 46mm Automatic46mm
T50 GBDR41mm
Power Reserve
Arctic OSAR 46mm Automatic40h
T50 GBDR38h
Water Resistance
Arctic OSAR 46mm Automatic300m
T50 GBDR500m
MSRP
Arctic OSAR 46mm Automatic$2,500
T50 GBDR$4,428

Full specifications

Case

8 specs
Diameter
46mm
41mm
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
$2,500
$4,428

Follow this matchup

Get a note when Marathon Arctic OSAR 46mm Automatic vs Sinn T50 GBDR gets more votes, a community discussion, or a price drop. No account needed.

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 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.

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.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.