Side by side

Christopher Ward C63 Sealander Extreme GMTvsCitizen Promaster Sikorsky

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
Promaster Sikorsky
CitizenPromaster Sikorsky
MSRP $469

At a glance

14 of 29 specs differ
Diameter
C63 Sealander Extreme GMT40mm
Promaster Sikorsky42.4mm
Power Reserve
C63 Sealander Extreme GMT56h
Promaster Sikorsky40h
Water Resistance
C63 Sealander Extreme GMT150m
Promaster Sikorsky200m
MSRP
C63 Sealander Extreme GMT$2,075
Promaster Sikorsky$469

Full specifications

Case

5 specs
Category
GMT
Pilot
Diameter
40mm
42.4mm
Thickness
12.05mm
12mm
Lug-to-Lug
48mm
46mm
Water Resistance
150m
200m

Crystal & Dial

3 specs
Crystal
Sapphire
Mineral
Dial Color
Black
Grey
Lume
SLN X1 BL / GL
None

Movement

5 specs
Caliber
SW330-2
B877
Type
Automatic
Solar
Beat Rate
4 vph
28,800 vph
Power Reserve
56h
40h
Complications
GMT
None

Pricing

1 specs
MSRP
$2,075
$469

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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.

Citizen Promaster Sikorsky

The Citizen Promaster Sikorsky is a large 46mm watch honoring the S-92 helicopter, featuring a busy dial with red, white, blue, and yellow accents, and helicopter blade-shaped hands. It houses a solar-powered U680 movement with atomic time syncing. On balance, owners find the Citizen Promaster Sikorsky to be a unique, albeit cluttered, limited edition timepiece.

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