Side by side

Christopher Ward C63 Sealander Extreme GMTvsSeiko Prospex LX line

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
Prospex LX line
SeikoProspex LX line
MSRP $6,500

At a glance

15 of 29 specs differ
Diameter
C63 Sealander Extreme GMT40mm
Prospex LX line44.8mm
Power Reserve
C63 Sealander Extreme GMT56h
Prospex LX line72h
Water Resistance
C63 Sealander Extreme GMT150m
Prospex LX line300m
MSRP
C63 Sealander Extreme GMT$2,075
Prospex LX line$6,500

Full specifications

Case

6 specs
Category
GMT
Diver
Diameter
40mm
44.8mm
Thickness
12.05mm
15.7mm
Lug-to-Lug
48mm
50.9mm
Material
Stainless Steel
Titanium
Water Resistance
150m
300m

Crystal & Dial

2 specs
AR Coating
Inner
Anti-reflective coating on inner surface
Lume
SLN X1 BL / GL
LumiBrite on hands and index(es)

Movement

6 specs
Caliber
SW330-2
5R65
Type
Automatic
Spring Drive
Beat Rate
4 vph
28,800 vph
Power Reserve
56h
72h
Jewels
25
30
Complications
GMT
None

Pricing

1 specs
MSRP
$2,075
$6,500

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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.

Seiko Prospex LX line

Owners widely report the Seiko Prospex LX line's finishing is a step up from other models, with a case that sits well on the wrist, and some praise the green sunburst dial with blue anti-reflective sapphire crystal as phenomenal. However, owners note the high MSRP limited sales, with some desiring smaller cases and a reduced price, and others experienced quality control issues such as detached second hands and peeling DLC coating, leading to concerns about fragility. On balance, owners feel the Seiko Prospex LX line was discontinued due to pricing that alienated its target market, despite its attractive dial.

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