Side by side

Gruppo Gamma Vanguard SteelvsChristopher Ward C63 Sealander Extreme GMT

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

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

At a glance

13 of 29 specs differ
Diameter
Vanguard Steel42mm
C63 Sealander Extreme GMT40mm
Power Reserve
Vanguard Steel42h
C63 Sealander Extreme GMT56h
Water Resistance
Vanguard Steel100m
C63 Sealander Extreme GMT150m
MSRP
Vanguard Steel$790
C63 Sealander Extreme GMT$2,075

Full specifications

Case

5 specs
Category
GMT
Diameter
42mm
40mm
Thickness
12.6mm
12.05mm
Lug-to-Lug
49.5mm
48mm
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 Steel

The Gruppo Gamma Vanguard Steel is praised for its aged steel case and cream sandwich dial. However, some owners dislike the distorted sapphire crystal and the absence of minute markers, with one noting difficulty in replacing the crystal due to hand fitment. The watch features a Miyota 9039 movement with a 42-hour power reserve and an accuracy range of -10 to +30 seconds per day, and is offered with two strap options. On balance, owners value the Gruppo Gamma Vanguard Steel for its distinctive aged aesthetic and dial design, despite some reservations about the crystal.

From video reviewers

Movement accuracy is a notable strength, with one reviewer noting a -1.8 second per day deviation after initial testing. A weakness is the substantial price hike for the re-release model, which raises questions about whether the upgrades justify the cost. Reviewers disagree on the watch's originality, with one calling it "decidedly derivative" and the other not mentioning this aspect.

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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