Side by side

Marathon Arctic OSAR 46mm AutomaticvsBoldr Expedition Enigmath

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
Expedition Enigmath
BoldrExpedition Enigmath
MSRP $599

At a glance

13 of 29 specs differ
Diameter
Arctic OSAR 46mm Automatic46mm
Expedition Enigmath41mm
Power Reserve
Arctic OSAR 46mm Automatic40h
Expedition Enigmath42h
Water Resistance
Arctic OSAR 46mm Automatic300m
Expedition Enigmath200m
MSRP
Arctic OSAR 46mm Automatic$2,500
Expedition Enigmath$599

Full specifications

Case

7 specs
Category
Diver
Tool
Diameter
46mm
41mm
Thickness
13mm
12.8mm
Lug-to-Lug
43.5mm
47.5mm
Lug Width
18mm
20mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
300m
200m

Crystal & Dial

3 specs
AR Coating
Inner
Yes
Dial Color
White
Enigmath Coconino
Lume
None
Super-LumiNova

Movement

2 specs
Caliber
Sellita SW220-1
Miyota 9039,
Power Reserve
40h
42h

Pricing

1 specs
MSRP
$2,500
$599

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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.

Boldr Expedition Enigmath

The watch's slide rule function is a convenient feature, allowing for calculations on the go. One potential drawback is the use of the Japanese Miyota 9039 movement, which may be a trade-off for some buyers. Reviewers disagree on whether the quick 'on the fly' adjust bracelet is a more significant advantage than the watch's sapphire crystal for durability and scratch resistance.

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