Side by side

Gruppo Gamma Vanguard WeatheredvsChristopher Ward C63 Sealander Extreme GMT

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Vanguard Weathered
Gruppo GammaVanguard Weathered
MSRP $790
C63 Sealander Extreme GMT
Christopher WardC63 Sealander Extreme GMT
MSRP $2,075

At a glance

14 of 29 specs differ
Diameter
Vanguard Weathered42mm
C63 Sealander Extreme GMT40mm
Power Reserve
Vanguard Weathered42h
C63 Sealander Extreme GMT56h
Water Resistance
Vanguard Weathered100m
C63 Sealander Extreme GMT150m
MSRP
Vanguard Weathered$790
C63 Sealander Extreme GMT$2,075

Full specifications

Case

6 specs
Category
GMT
Diameter
42mm
40mm
Thickness
12.6mm
12.05mm
Lug-to-Lug
49.5mm
48mm
Finish
Weathered
Brushed and polished
Water Resistance
100m
150m

Crystal & Dial

3 specs
AR Coating
Yes
Inner
Dial Color
Forged Carbon
Black
Lume
Super-LumiNova
SLN X1 BL / GL

Movement

4 specs
Caliber
Miyota 9039
SW330-2
Beat Rate
28,800 vph
4 vph
Power Reserve
42h
56h
Complications
None
GMT

Pricing

1 specs
MSRP
$790
$2,075

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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.

Gruppo Gamma Vanguard Weathered

The satin-finished steel case is well-executed and aesthetically pleasing. The watch's lumières de nuit are not particularly bright, which might be a drawback for some users. Reviewers disagree on the watch's originality, with one reviewer finding it pleasing in-person and another describing it as decidedly derivative.

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.

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