Side by side

Christopher Ward C63 Sealander Extreme GMTvsGrand Seiko SLGC006

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
SLGC006
Grand SeikoSLGC006
MSRP $22,600
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.

Grand Seiko SLGC006

Owners widely praise the Grand Seiko SLGC006's stunning copper Mount Iwate dial and its high-frequency Caliber 9SC5 movement, which operates at 36,000vph and achieves accuracy between -3/+5 seconds per day with a 72-hour power reserve. Reviewers note the watch's large 43.2mm size, though some find the Evolution 9 case design improves wearability. Criticisms include the $22,600 price point, the 4:30 date window placement, and the lack of bracelet micro-adjustment. Opinions on the dial are split, with some finding it beautiful and others comparing it to rust or the Australian outback. Some question the extent of the gold accents for a "two-tone" designation. Overall, owners and reviewers acknowledge the Grand Seiko SLGC006's striking aesthetics and advanced movement, but debate its value proposition and certain design choices.

At a glance

14 of 29 specs differ
Diameter
C63 Sealander Extreme GMT40mm
SLGC00643.2mm
Power Reserve
C63 Sealander Extreme GMT56h
SLGC00672h
Water Resistance
C63 Sealander Extreme GMT150m
SLGC006100m
MSRP
C63 Sealander Extreme GMT$2,075
SLGC006$22,600

Full specifications

Case

7 specs
Category
GMT
Chronograph
Diameter
40mm
43.2mm
Thickness
12.05mm
15.4mm
Lug-to-Lug
48mm
51.5mm
Lug Width
22mm
23mm
Material
Stainless Steel
Gold
Water Resistance
150m
100m

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Lume
SLN X1 BL / GL
None

Movement

4 specs
Caliber
SW330-2
9SC5
Beat Rate
4 vph
28,800 vph
Power Reserve
56h
72h
Complications
GMT
None

Pricing

1 specs
MSRP
$2,075
$22,600
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