Side by side

Marathon Arctic OSAR 41mm AutomaticvsFormex Essence ThirtyNine

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
Essence ThirtyNine
FormexEssence ThirtyNine
MSRP $2,390

At a glance

12 of 29 specs differ
Diameter
Arctic OSAR 41mm Automatic41mm
Essence ThirtyNine39mm
Power Reserve
Arctic OSAR 41mm Automatic40h
Essence ThirtyNine41h
Water Resistance
Arctic OSAR 41mm Automatic300m
Essence ThirtyNine100m
MSRP
Arctic OSAR 41mm Automatic$1,800
Essence ThirtyNine$2,390

Full specifications

Case

7 specs
Category
Diver
Dress
Diameter
41mm
39mm
Thickness
13mm
10mm
Lug-to-Lug
43.5mm
45mm
Lug Width
18mm
20mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
300m
100m

Crystal & Dial

2 specs
Dial Color
White
Space Ghost
Lume
None
Super-LumiNova

Movement

2 specs
Caliber
Sellita SW220-1
Sellita SW200-1
Power Reserve
40h
41h

Pricing

1 specs
MSRP
$1,800
$2,390

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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.

Formex Essence ThirtyNine

The Formex Essence ThirtyNine is praised for its impressive build quality and value, featuring a patented case suspension system for comfort and protection. It houses a COSC-certified Sellita SW200-1 movement with a 38-hour power reserve and a tool-free strap quick-release system. A minor inconvenience noted is the specific closing order of the clasp. On balance, reviewers rate the Formex Essence ThirtyNine highly for its comfortable wearability and excellent value at its price point.

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