Side by side

Marathon Arctic OSAR 41mm AutomaticvsBremont Terra Nova 42.5 Chronograph

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
Terra Nova 42.5 Chronograph
BremontTerra Nova 42.5 Chronograph
MSRP $5,700

At a glance

9 of 29 specs differ
Diameter
Arctic OSAR 41mm Automatic41mm
Terra Nova 42.5 Chronograph42.5mm
Power Reserve
Arctic OSAR 41mm Automatic40h
Terra Nova 42.5 Chronograph40h
Water Resistance
Arctic OSAR 41mm Automatic300m
Terra Nova 42.5 Chronograph100m
MSRP
Arctic OSAR 41mm Automatic$1,800
Terra Nova 42.5 Chronograph$5,700

Full specifications

Case

6 specs
Category
Diver
Chronograph
Diameter
41mm
42.5mm
Thickness
13mm
14.8mm
Lug-to-Lug
43.5mm
Lug Width
18mm
14.8mm
Water Resistance
300m
100m

Crystal & Dial

1 specs
Dial Color
White
Black

Movement

1 specs
Caliber
Sellita SW220-1
ENG345

Pricing

1 specs
MSRP
$1,800
$5,700

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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.

Bremont Terra Nova 42.5 Chronograph

The Bremont Terra Nova 42.5 Chronograph is noted for its 42.5mm Cupro-Aluminium case, which is described as blocky with satin finishing and minimal polishing, and a bi-directional bronze compass bezel with a black ceramic insert. Owners and reviewers highlight the satisfying winding action of the crown and crisp chronograph pushers, though one reviewer found the start/stop pusher required significant force. The watch features a green gradient dial with full-block Super-LumiNova numerals and is powered by a chronometer-rated automatic movement with a 56-hour power reserve and 100-meter water resistance. The CuAl7Si2 bronze alloy case is expected to patina over time, offering a warmer look and increased scratch resistance. One reviewer noted the prototype's rear sapphire caseback was too dark to appreciate the movement, and conspicuous text around the tourbillon window detracted from the dial.

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