Side by side

Marathon OSAR-D (Original SAR with Date) Automatic 41mmvsMassena LAB Uni-Racer

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

OSAR-D (Original SAR with Date) Automatic 41mm
MarathonOSAR-D (Original SAR with Date) Automatic 41mm
MSRP $1,800
Uni-Racer
Massena LABUni-Racer
MSRP $3,495

At a glance

16 of 29 specs differ
Diameter
OSAR-D (Original SAR with Date) Automatic 41mm41mm
Uni-Racer39mm
Power Reserve
OSAR-D (Original SAR with Date) Automatic 41mm40h
Uni-Racer58h
Water Resistance
OSAR-D (Original SAR with Date) Automatic 41mm300m
Uni-Racer50m
MSRP
OSAR-D (Original SAR with Date) Automatic 41mm$1,800
Uni-Racer$3,495

Full specifications

Case

7 specs
Category
Diver
Chronograph
Diameter
41mm
39mm
Thickness
13mm
9mm
Lug-to-Lug
43.5mm
46mm
Lug Width
18mm
20mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
300m
50m

Crystal & Dial

4 specs
Crystal
Sapphire
Acrylic
Crystal Shape
Flat
Domed
AR Coating
Inner
No
Dial Color
Black
White

Movement

4 specs
Caliber
Sellita SW220-1
SW510 BH M Elaboré
Type
Automatic
Manual
Power Reserve
40h
58h
Jewels
25
23

Pricing

1 specs
MSRP
$1,800
$3,495

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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 OSAR-D (Original SAR with Date) Automatic 41mm

The Marathon OSAR-D (Original SAR with Date) Automatic 41mm is noted for its highly legible white dial with applied hour markers and a functional date magnifier, emphasizing its tool-watch purpose. Its Swiss-made Sellita SW200-1 movement is considered reliable and serviceable. One reviewer found the bracelet lacked refinement and preferred the rubber strap option. Overall, owners and reviewers appreciate the Marathon OSAR-D (Original SAR with Date) Automatic 41mm for its excellent legibility and robust movement.

Massena LAB Uni-Racer

The Massena LAB Uni-Racer is praised for its refined vintage chronograph aesthetic, featuring a 39mm case with unique horizontal finishing, a GPHG-nominated hand-wound Sellita SW510 M movement, and a sector dial with a "big eye" counter. Owners and reviewers highlight its period-perfect Super-LumiNova and snailing on recessed registers, all supported by a 58-hour power reserve and 50m water resistance. On balance, owners and reviewers rate the Massena LAB Uni-Racer highly for its authentic vintage design and refined execution at its price point.

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