Side by side

Christopher Ward C63 Sealander Extreme GMTvsCitizen Promaster Skyhawk A-T

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 Skyhawk A-T
CitizenPromaster Skyhawk A-T
MSRP $671

At a glance

14 of 29 specs differ
Diameter
C63 Sealander Extreme GMT40mm
Promaster Skyhawk A-T46mm
Power Reserve
C63 Sealander Extreme GMT56h
Promaster Skyhawk A-T40h
Water Resistance
C63 Sealander Extreme GMT150m
Promaster Skyhawk A-T200m
MSRP
C63 Sealander Extreme GMT$2,075
Promaster Skyhawk A-T$671

Full specifications

Case

6 specs
Category
GMT
Pilot
Diameter
40mm
46mm
Thickness
12.05mm
12mm
Lug-to-Lug
48mm
46mm
Lug Width
22mm
20mm
Water Resistance
150m
200m

Crystal & Dial

2 specs
Dial Color
Black
Blue
Lume
SLN X1 BL / GL
None

Movement

5 specs
Caliber
SW330-2
U680
Type
Automatic
Quartz
Beat Rate
4 vph
28,800 vph
Power Reserve
56h
40h
Complications
GMT
None

Pricing

1 specs
MSRP
$2,075
$671

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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 Skyhawk A-T

The Citizen Promaster Skyhawk A-T is praised for its comprehensive feature set, including radio-controlled atomic timekeeping, a perpetual calendar, and a second time zone subdial. Reviewers note the titanium models offer good wearability, though one owner found the watch felt like a boat anchor. The stainless steel versions feature polished chamfers, brushed finishing, and a bidirectional bezel with a slide rule. Some models, particularly those with black hands against a black dial, have been criticized for poor readability, while others offer semi-skeletonized white sword hands and stencil numerals for improved legibility. On balance, owners and reviewers appreciate the Citizen Promaster Skyhawk A-T's extensive functionality and build, though legibility can be a concern on certain dial configurations.

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