Side by side

Christopher Ward C63 Sealander Extreme GMTvsGrand Seiko SBGM221

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
SBGM221
Grand SeikoSBGM221
MSRP $5,400

At a glance

12 of 29 specs differ
Diameter
C63 Sealander Extreme GMT40mm
SBGM22139.5mm
Power Reserve
C63 Sealander Extreme GMT56h
SBGM22172h
Water Resistance
C63 Sealander Extreme GMT150m
SBGM22130m
MSRP
C63 Sealander Extreme GMT$2,075
SBGM221$5,400

Full specifications

Case

5 specs
Diameter
40mm
39.5mm
Thickness
12.05mm
13.7mm
Lug-to-Lug
48mm
46.9mm
Lug Width
22mm
19mm
Water Resistance
150m
30m

Crystal & Dial

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

Movement

4 specs
Caliber
SW330-2
9S66
Beat Rate
4 vph
28,800 vph
Power Reserve
56h
72h
Complications
GMT
None

Pricing

1 specs
MSRP
$2,075
$5,400

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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 SBGM221

Grand Seiko SBGM221 is widely praised for its exceptional dial finish, highly polished hands and indices, and elegant design. Owners consistently highlight the stunning craftsmanship, with specific mention of the up to 11 hand-polished facets on its rectangular markers. The reliable 9S66 movement is noted for its 72-hour power reserve and true GMT functionality, tested beyond Chronometer specifications. Some enthusiasts desire a bidirectional 24-hour bezel, which the Grand Seiko SBGM221 lacks, and its 13.7mm thickness and 19mm lug width are noted as potential limitations. On balance, owners rate the Grand Seiko SBGM221 highly for its exquisite finishing and elegant, comfortable design.

From video reviewers

The SBGM221 is praised for its value within the Grand Seiko lineup. The lug width is cited as a weakness.

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