Side by side

Marathon Arctic OSAR 46mm AutomaticvsTudor Pelagos FXD Chrono

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
Pelagos FXD Chrono
TudorPelagos FXD Chrono
MSRP $6,375

At a glance

13 of 29 specs differ
Diameter
Arctic OSAR 46mm Automatic46mm
Pelagos FXD Chrono43mm
Power Reserve
Arctic OSAR 46mm Automatic40h
Pelagos FXD Chrono70h
Water Resistance
Arctic OSAR 46mm Automatic300m
Pelagos FXD Chrono100m
MSRP
Arctic OSAR 46mm Automatic$2,500
Pelagos FXD Chrono$6,375

Full specifications

Case

8 specs
Category
Diver
Chronograph
Diameter
46mm
43mm
Thickness
13mm
13.2mm
Lug-to-Lug
43.5mm
46mm
Lug Width
18mm
22mm
Material
316L Stainless Steel
43mm black carbon composite case with matt finish · Lugs: 22mm lug width · Case thickness: 13.2mm
Water Resistance
300m
100m
Caseback
Solid
Solid screw-down

Crystal & Dial

1 specs
Dial Color
White
Black

Movement

3 specs
Caliber
Sellita SW220-1
MT5813
Power Reserve
40h
70h
Complications
None
Chronograph

Pricing

1 specs
MSRP
$2,500
$6,375

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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 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.

Tudor Pelagos FXD Chrono

The Tudor Pelagos FXD Chrono is widely praised for its lightweight construction, with owners highlighting its carbon composite case and titanium case back contributing to exceptional comfort and wearability, even on smaller wrists. Reviewers and owners alike commend its excellent legibility, robust build quality, and impressive bezel action, with a smooth winding feel noted by one owner. The COSC-certified MT5813 movement provides a 70-hour power reserve. However, some find the tachymeter scale difficult to read, and the 45-minute counter impractical for cycling. One owner reported poor timekeeping with a deviation of -3 to -3.5 seconds per day, while another saw accuracy within a couple of seconds per day, and a separate owner noted three services in under two years. The included straps are frequently criticized as less appealing or having short length, and some question the watch's overall utility for cyclists compared to dedicated head units.

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