Side by side

Christopher Ward C63 Sealander Extreme GMTvsGrand Seiko SLGA009

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
SLGA009
Grand SeikoSLGA009
MSRP $9,800

At a glance

12 of 29 specs differ
Diameter
C63 Sealander Extreme GMT40mm
SLGA00940mm
Power Reserve
C63 Sealander Extreme GMT56h
SLGA009120h
Water Resistance
C63 Sealander Extreme GMT150m
SLGA009100m
MSRP
C63 Sealander Extreme GMT$2,075
SLGA009$9,800

Full specifications

Case

4 specs
Category
GMT
Dress
Thickness
12.05mm
11.8mm
Lug-to-Lug
48mm
47.9mm
Water Resistance
150m
100m

Crystal & Dial

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

Movement

5 specs
Caliber
SW330-2
9RA2
Type
Automatic
Spring Drive
Beat Rate
4 vph
28,800 vph
Power Reserve
56h
120h
Complications
GMT
None

Pricing

1 specs
MSRP
$2,075
$9,800

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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.

Grand Seiko SLGA009

The Grand Seiko SLGA009 "White Birch II" is praised for its Spring Drive Caliber 9RA2 movement, offering exceptional accuracy of ±0.5 seconds per day and a 120-hour power reserve. Reviewers highlight its refined dial texture, inspired by Shinshu forests, and the Series 9 design with a frost-finished movement. The watch features a 40mm stainless steel case and a power reserve indicator on the movement bridge. However, its price of $8,600 to $9,100 USD is noted as relatively expensive, reflecting Grand Seiko's increasing price points. Overall, reviewers consider the Grand Seiko SLGA009 a highly refined timepiece, with its advanced Spring Drive movement and aesthetic improvements being key strengths.

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