Side by side

Marathon Arctic OSAR 46mm AutomaticvsSternglas Naos Großdatum

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
Naos Großdatum
SternglasNaos Großdatum
MSRP $323

At a glance

14 of 29 specs differ
Diameter
Arctic OSAR 46mm Automatic46mm
Naos Großdatum38mm
Power Reserve
Arctic OSAR 46mm Automatic40h
Naos Großdatum
Water Resistance
Arctic OSAR 46mm Automatic300m
Naos Großdatum50m
MSRP
Arctic OSAR 46mm Automatic$2,500
Naos Großdatum$323

Full specifications

Case

7 specs
Category
Diver
Dress
Diameter
46mm
38mm
Thickness
13mm
10mm
Lug-to-Lug
43.5mm
42mm
Lug Width
18mm
20mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
300m
50m

Crystal & Dial

2 specs
Dial Color
White
Lume
None
Luminova Punkten

Movement

4 specs
Caliber
Sellita SW220-1
Seiko VJ76
Type
Automatic
Quartz
Power Reserve
40h
Jewels
25

Pricing

1 specs
MSRP
$2,500
$323

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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.

Sternglas Naos Großdatum

The Sternglas Naos Großdatum is praised for its Bauhaus aesthetic and value, with one owner finding it an affordable alternative to other designs. However, some owners report it feels underwhelming and cheap, with a printed-on face, small font, and toy-like hands, and find the strap to be of poor quality. The watch features a 38mm stainless steel case, an Alabaster dial with beige LumiNova, and a Seiko TMI VJ76 quartz movement rated for -20/+20 seconds per month. On balance, owners and reviewers are divided, with the primary point of contention being the perceived quality and aesthetic execution of the Sternglas Naos Großdatum.

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