Side by side

Marathon OSAR-D (Original SAR with Date) Automatic 41mmvsChristopher Ward C63 True GMT

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
C63 True GMT
Christopher WardC63 True GMT
MSRP $4,135

At a glance

15 of 29 specs differ
Diameter
OSAR-D (Original SAR with Date) Automatic 41mm41mm
C63 True GMT48mm
Power Reserve
OSAR-D (Original SAR with Date) Automatic 41mm40h
C63 True GMT120h
Water Resistance
OSAR-D (Original SAR with Date) Automatic 41mm300m
C63 True GMT100m
MSRP
OSAR-D (Original SAR with Date) Automatic 41mm$1,800
C63 True GMT$4,135

Full specifications

Case

8 specs
Category
Diver
GMT
Diameter
41mm
48mm
Thickness
13mm
14.15mm
Lug-to-Lug
43.5mm
48mm
Lug Width
18mm
22mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed and polished
Brushed + Polished + Sandblasted
Water Resistance
300m
100m

Crystal & Dial

1 specs
Lume
None
SLN X1 BL C1

Movement

5 specs
Caliber
Sellita SW220-1
CW-002
Beat Rate
28,800 vph
4 vph
Power Reserve
40h
120h
Jewels
25
33
Complications
None
GMT, Moonphase, Day-date, Small seconds

Pricing

1 specs
MSRP
$1,800
$4,135

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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.

Christopher Ward C63 True GMT

The Christopher Ward C63 True GMT is widely praised for its in-house CW-002 caliber, which offers a 120-hour power reserve and COSC certification. Owners find the 39mm case size comfortable, though some note it wears closer to 40-41mm. While the PVD hands provide good contrast and the lume is praised for readability, one owner felt the orange accent lacked pop and the gloss dial/text combo appeared cheap in certain lighting. One owner also noted a perceived slight difference in production quality compared to a sibling model's bracelet. Overall, owners and reviewers rate the Christopher Ward C63 True GMT highly for its impressive power reserve and COSC-certified movement at its price point.

From video reviewers

The case finishing is praised for its polished and curved surfaces. The watch uses a Sellita SW330-2 movement. Reviewers disagree on the case size, with one noting 40.5mm and another highlighting a 36mm option.

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