Side by side

Marathon Arctic OSAR 36mm AutomaticvsSpinnaker Bradner

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

Arctic OSAR 36mm Automatic
MarathonArctic OSAR 36mm Automatic
MSRP $1,200
Bradner
SpinnakerBradner
MSRP $179

At a glance

8 of 29 specs differ
Diameter
Arctic OSAR 36mm Automatic36mm
Bradner42mm
Power Reserve
Arctic OSAR 36mm Automatic40h
Bradner40h
Water Resistance
Arctic OSAR 36mm Automatic300m
Bradner180m
MSRP
Arctic OSAR 36mm Automatic$1,200
Bradner$179

Full specifications

Case

5 specs
Diameter
36mm
42mm
Thickness
13mm
15mm
Lug-to-Lug
43.5mm
50mm
Lug Width
18mm
22mm
Water Resistance
300m
180m

Crystal & Dial

1 specs
Dial Color
White
Tidal Blue

Movement

1 specs
Caliber
Sellita SW220-1
SII NH35A

Pricing

1 specs
MSRP
$1,200
$179

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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 36mm Automatic

The Marathon Arctic OSAR 36mm Automatic is noted for its non-tritium dial option, though some owners prefer the 1-12 numeral layout found on other models. One owner found the 36mm size too small for their wrist. Overall, owners appreciate the Marathon Arctic OSAR 36mm Automatic for its non-tritium dial option.

Spinnaker Bradner

Owners widely praise the Spinnaker Bradner's vibrant dials and excellent lume on indices and bezel, with one owner noting comfortable wearability on a 7-inch wrist. Reviewers flag imprecise finishing on the minute ring and an inner bezel crown that rotates too easily, while some owners report the internal rotating bezel does not stay in position. The watch features a Seiko NH35 movement with a 41-hour power reserve and is priced around $390-$430 USD. On balance, owners and reviewers find the Spinnaker Bradner to be a fun, affordable diver, with its vibrant dials and strong lume being key selling points.

From video reviewers

The Spinnaker Atlantic Blue's reliable Seiko NH35 automatic movement is a key strength. The watch's lume performance is somewhat lacking, which may be a trade-off for some buyers. Reviewers disagree on the watch's bezel action, with one reviewer praising it as smooth and precise, while the other two do not mention it.

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