Side by side

Marathon Arctic OSAR 41mm AutomaticvsMassena LAB Dato-Racer

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Arctic OSAR 41mm Automatic
MarathonArctic OSAR 41mm Automatic
MSRP $1,800
Dato-Racer
Massena LABDato-Racer
MSRP $1,595

At a glance

13 of 29 specs differ
Diameter
Arctic OSAR 41mm Automatic41mm
Dato-Racer40mm
Power Reserve
Arctic OSAR 41mm Automatic40h
Dato-Racer38h
Water Resistance
Arctic OSAR 41mm Automatic300m
Dato-Racer50m
MSRP
Arctic OSAR 41mm Automatic$1,800
Dato-Racer$1,595

Full specifications

Case

7 specs
Category
Diver
Sport
Diameter
41mm
40mm
Thickness
13mm
10.5mm
Lug-to-Lug
43.5mm
46mm
Lug Width
18mm
20mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
300m
50m

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Dial Color
White
Black

Movement

3 specs
Caliber
Sellita SW220-1
SW400-1
Power Reserve
40h
38h
Jewels
25
26

Pricing

1 specs
MSRP
$1,800
$1,595

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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 41mm Automatic

The Marathon Arctic OSAR 41mm Automatic is noted for its comfortable wearability on wrists under 7 inches, with one owner finding the 41mm size perfect. Accuracy observations vary, with one owner reporting a consistent +1 second per day and another noting -20 seconds per day. The watch features a Sellita automatic movement and has dimensions of 14mm thickness and a 48mm lug-to-lug. Overall, owners appreciate the Marathon Arctic OSAR 41mm Automatic for its comfortable fit and Marathon's overall appeal.

Massena LAB Dato-Racer

Owners widely praise the Massena LAB Dato-Racer as an excellent everyday watch, appreciating its blend of 1970s-inspired aesthetics with modern dimensions. This model is a limited edition of 99 pieces. On balance, owners rate the Massena LAB Dato-Racer highly for its successful fusion of vintage design and contemporary wearability.

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