Side by side

Christopher Ward C63 Sealander Extreme GMTvsMarathon MSAR (Medium Search & Rescue) Diver's Automatic

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

C63 Sealander Extreme GMT
Christopher WardC63 Sealander Extreme GMT
MSRP $2,075
MSAR (Medium Search & Rescue) Diver's Automatic
MarathonMSAR (Medium Search & Rescue) Diver's Automatic
MSRP $1,800
What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Christopher Ward C63 Sealander Extreme GMT

The Christopher Ward C63 Sealander Extreme GMT is widely praised as a competent and comfortable tool watch offering excellent value. Reviewers consistently highlight its impressive Globolight lume, providing excellent legibility, and its well-proportioned 41mm brushed steel case. The Sellita SW330-2 movement is noted as reliable, though its standard accuracy is stated as ±20 seconds per day, and its GMT functionality is considered less advanced than some alternatives. One owner notes the green dial can be an acquired taste, and hands and markers are considered less refined than those on significantly more expensive watches. The Christopher Ward C63 Sealander Extreme GMT is priced attractively at €1,895 on bracelet. Overall, owners and reviewers highly regard the Christopher Ward C63 Sealander Extreme GMT for its rugged, travel-ready design and impressive lume at its price point.

Marathon MSAR (Medium Search & Rescue) Diver's Automatic

The Marathon MSAR (Medium Search & Rescue) Diver's Automatic is lauded for its utilitarian, no-nonsense design, exceptional tritium lume for visibility, and comfortable 41mm wearability. Reviewers highlight its robust build, meeting ISO 6425 dive watch standards and approved for military use, demonstrating durability during demanding activities. One reviewer notes the stock rubber strap requires modification for a proper fit. Overall, reviewers rate the Marathon MSAR (Medium Search & Rescue) Diver's Automatic highly for its focus on utility and ruggedness at its price point.

At a glance

14 of 29 specs differ
Diameter
C63 Sealander Extreme GMT40mm
MSAR (Medium Search & Rescue) Diver's Automatic36mm
Power Reserve
C63 Sealander Extreme GMT56h
MSAR (Medium Search & Rescue) Diver's Automatic40h
Water Resistance
C63 Sealander Extreme GMT150m
MSAR (Medium Search & Rescue) Diver's Automatic300m
MSRP
C63 Sealander Extreme GMT$2,075
MSAR (Medium Search & Rescue) Diver's Automatic$1,800

Full specifications

Case

7 specs
Category
GMT
Diver
Diameter
40mm
36mm
Thickness
12.05mm
18mm
Lug-to-Lug
48mm
Lug Width
22mm
18mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
150m
300m

Crystal & Dial

2 specs
Dial Color
Black
White
Lume
SLN X1 BL / GL
None

Movement

4 specs
Caliber
SW330-2
Sellita SW200-1
Beat Rate
4 vph
28,800 vph
Power Reserve
56h
40h
Complications
GMT
None

Pricing

1 specs
MSRP
$2,075
$1,800
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