Side by side

Marathon Arctic OSAR 36mm AutomaticvsYema Wristmaster Slim CMM.20

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
Wristmaster Slim CMM.20
YemaWristmaster Slim CMM.20
MSRP $2,117

At a glance

9 of 29 specs differ
Diameter
Arctic OSAR 36mm Automatic36mm
Wristmaster Slim CMM.2039mm
Power Reserve
Arctic OSAR 36mm Automatic40h
Wristmaster Slim CMM.2040h
Water Resistance
Arctic OSAR 36mm Automatic300m
Wristmaster Slim CMM.20100m
MSRP
Arctic OSAR 36mm Automatic$1,200
Wristmaster Slim CMM.20$2,117

Full specifications

Case

6 specs
Category
Diver
GMT
Diameter
36mm
39mm
Thickness
13mm
9mm
Lug-to-Lug
43.5mm
Lug Width
18mm
24mm
Water Resistance
300m
100m

Crystal & Dial

1 specs
Dial Color
White
Black

Movement

1 specs
Caliber
Sellita SW220-1
Yema CMM.20

Pricing

1 specs
MSRP
$1,200
$2,117

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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.

Yema Wristmaster Slim CMM.20

The Yema Wristmaster Slim CMM.20 is widely praised for its compelling integrated bracelet design and comfortable 39mm wearability. Reviewers highlight its impressive value, featuring an in-house CMM.20 micro-rotor movement with a 70-hour power reserve, adjusted to -3/+7 seconds per day, all within a slim 9mm case. Some note the domed sapphire crystal can produce glare and the dial text is quite small. On balance, reviewers rate the Yema Wristmaster Slim CMM.20 highly for its integrated design and value proposition with a micro-rotor movement.

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