Side by side

Christopher Ward C63 Sealander Extreme GMTvsMarathon TSAR (Tritium Search & Rescue) Diver's Quartz

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
TSAR (Tritium Search & Rescue) Diver's Quartz
MarathonTSAR (Tritium Search & Rescue) Diver's Quartz
MSRP $1,550

At a glance

13 of 29 specs differ
Diameter
C63 Sealander Extreme GMT40mm
TSAR (Tritium Search & Rescue) Diver's Quartz46mm
Power Reserve
C63 Sealander Extreme GMT56h
TSAR (Tritium Search & Rescue) Diver's Quartz40h
Water Resistance
C63 Sealander Extreme GMT150m
TSAR (Tritium Search & Rescue) Diver's Quartz300m
MSRP
C63 Sealander Extreme GMT$2,075
TSAR (Tritium Search & Rescue) Diver's Quartz$1,550

Full specifications

Case

6 specs
Category
GMT
Diver
Diameter
40mm
46mm
Thickness
12.05mm
14mm
Lug Width
22mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
150m
300m

Crystal & Dial

1 specs
Lume
SLN X1 BL / GL
None

Movement

5 specs
Caliber
SW330-2
Swiss High-Torque Quartz
Type
Automatic
Quartz
Beat Rate
4 vph
28,800 vph
Power Reserve
56h
40h
Complications
GMT
None

Pricing

1 specs
MSRP
$2,075
$1,550

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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.

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 TSAR (Tritium Search & Rescue) Diver's Quartz

Owners widely praise the Marathon TSAR (Tritium Search & Rescue) Diver's Quartz for its ISO 6425 certification and practical, everyday wearability, with one owner noting the movement sets and ticks fine with expected quartz accuracy. The bezel and crystal are also described as great. One owner reports the 41mm TSAR wears small and has a field watch aesthetic, while another notes the TSAR Medium, listed at 12mm thick, visually appears thicker. Overall, owners rate the Marathon TSAR (Tritium Search & Rescue) Diver's Quartz highly for its robust build and practical design.

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