Side by side

Marathon Arctic OSAR 36mm AutomaticvsGrand Seiko SLGW005

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
SLGW005
Grand SeikoSLGW005
MSRP $9,700

At a glance

13 of 29 specs differ
Diameter
Arctic OSAR 36mm Automatic36mm
SLGW00538.8mm
Power Reserve
Arctic OSAR 36mm Automatic40h
SLGW00580h
Water Resistance
Arctic OSAR 36mm Automatic300m
SLGW00530m
MSRP
Arctic OSAR 36mm Automatic$1,200
SLGW005$9,700

Full specifications

Case

7 specs
Category
Diver
Dress
Diameter
36mm
38.8mm
Thickness
13mm
10.4mm
Lug-to-Lug
43.5mm
43.7mm
Lug Width
18mm
19mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
300m
30m

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Dial Color
White
Black

Movement

3 specs
Caliber
Sellita SW220-1
9SA4
Type
Automatic
Manual
Power Reserve
40h
80h

Pricing

1 specs
MSRP
$1,200
$9,700

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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 SLGW005

The Grand Seiko SLGW005 is lauded for its faithful recreation of the 1968 45GS, featuring a desirable double-signed dial and a beautifully finished case adhering to the Grammar of Design. It is powered by the new 9SA4 manual-winding, high-beat movement, offering an 80-hour power reserve and a mean daily rate of -3/+5 seconds. Owners consider it a "gloriously perfect" and "pure and elegant expression" of Grand Seiko's strengths, with one owner preferring its creamy dial over a more pronounced beige found on other models. Overall, owners and reviewers rate the Grand Seiko SLGW005 highly for its elegant design and impressive high-beat movement.

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