Side by side

Marathon OSAR-D (Original SAR with Date) Automatic 41mmvsCWC RN Quartz Divers Watch Mk.2, Matte Top

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
RN Quartz Divers Watch Mk.2, Matte Top
CWCRN Quartz Divers Watch Mk.2, Matte Top
MSRP $604

At a glance

10 of 29 specs differ
Diameter
OSAR-D (Original SAR with Date) Automatic 41mm41mm
RN Quartz Divers Watch Mk.2, Matte Top41mm
Power Reserve
OSAR-D (Original SAR with Date) Automatic 41mm40h
RN Quartz Divers Watch Mk.2, Matte Top40h
Water Resistance
OSAR-D (Original SAR with Date) Automatic 41mm300m
RN Quartz Divers Watch Mk.2, Matte Top300m
MSRP
OSAR-D (Original SAR with Date) Automatic 41mm$1,800
RN Quartz Divers Watch Mk.2, Matte Top$604

Full specifications

Case

4 specs
Thickness
13mm
12mm
Lug-to-Lug
43.5mm
47mm
Lug Width
18mm
20mm
Material
316L Stainless Steel
Stainless Steel

Crystal & Dial

3 specs
AR Coating
Inner
Yes
Dial Color
Black
CWC RN Quartz Divers Watch Mk.2, Matte Top (RN300-MT QS120)
Lume
None
Super-LumiNova

Movement

2 specs
Caliber
Sellita SW220-1
Ronda 517
Type
Automatic
Quartz

Pricing

1 specs
MSRP
$1,800
$604

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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.

CWC RN Quartz Divers Watch Mk.2, Matte Top

Owners widely praise the CWC RN Quartz Divers Watch Mk.2, Matte Top for its excellent matte case finishing, precise seconds hand alignment, and dial reminiscent of vintage military watches. The Mk.2 upgrades, including a sapphire crystal, improved lume, and a precise 120-click bezel described as perfection with no play, are consistently highlighted as significant improvements over earlier versions. One owner noted the quartz movement gained 8 seconds over several months. Overall, owners rate the CWC RN Quartz Divers Watch Mk.2, Matte Top highly for its solid construction, military significance, and terrific value.

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