Side by side

Marathon Arctic OSAR 36mm AutomaticvsSeiko Diamond Collection

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
Diamond Collection
SeikoDiamond Collection
MSRP $525

At a glance

10 of 29 specs differ
Diameter
Arctic OSAR 36mm Automatic36mm
Diamond Collection32mm
Power Reserve
Arctic OSAR 36mm Automatic40h
Diamond Collection40h
Water Resistance
Arctic OSAR 36mm Automatic300m
Diamond Collection100m
MSRP
Arctic OSAR 36mm Automatic$1,200
Diamond Collection$525

Full specifications

Case

7 specs
Category
Diver
Dress
Diameter
36mm
32mm
Thickness
13mm
8.2mm
Lug-to-Lug
43.5mm
39mm
Lug Width
18mm
15mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
300m
100m

Crystal & Dial

1 specs
Dial Color
White
Black

Movement

1 specs
Caliber
Sellita SW220-1
6N32

Pricing

1 specs
MSRP
$1,200
$525

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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.

Seiko Diamond Collection

Owners widely praise the Seiko Diamond Collection for its stunning beauty, particularly highlighting the 14 diamonds and the captivating mother-of-pearl dial. Its 33.2mm case size, 100m water resistance, sapphire crystal, and lightweight build are appreciated features contributing to comfortable wear. Some owners find the dial detail is best appreciated in direct sunlight. The gold plating on some models may show fading from desk work over time. Overall, owners rate the Seiko Diamond Collection highly for its dazzling aesthetics and comfortable, well-finished design at its price point.

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