Side by side

Marathon Arctic OSAR 36mm AutomaticvsGrand Seiko SBGA375

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
SBGA375
Grand SeikoSBGA375
MSRP $5,600

At a glance

13 of 29 specs differ
Diameter
Arctic OSAR 36mm Automatic36mm
SBGA37540mm
Power Reserve
Arctic OSAR 36mm Automatic40h
SBGA37572h
Water Resistance
Arctic OSAR 36mm Automatic300m
SBGA375100m
MSRP
Arctic OSAR 36mm Automatic$1,200
SBGA375$5,600

Full specifications

Case

7 specs
Category
Diver
Dress
Diameter
36mm
40mm
Thickness
13mm
12.5mm
Lug-to-Lug
43.5mm
46.2mm
Lug Width
18mm
19mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
300m
100m

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Dial Color
White
Black

Movement

3 specs
Caliber
Sellita SW220-1
9R65
Type
Automatic
Spring Drive
Power Reserve
40h
72h

Pricing

1 specs
MSRP
$1,200
$5,600

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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.

Grand Seiko SBGA375

Grand Seiko SBGA375 owners praise its classic, subtle design and the engineering of its Spring Drive movement, with one noting it "does not fail to deliver what they are known for." The dial offers good legibility, with polished side bevels on the hour markers catching light well. However, one owner scuffed the bezel within a week, and another questioned if a lug was missing. Overall, owners rate the Grand Seiko SBGA375 highly for its refined design and movement engineering, signaling discerning taste.

From video reviewers

The Spring Drive movement's smooth sweep is a key strength. The bracelet's taper and clasp were cited as areas for improvement.

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