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 $1,850

At a glance

14 of 29 specs differ
Diameter
Vanguard Weathered42mm
C63 Sealander Extreme GMT48mm
Power Reserve
Vanguard Weathered42h
C63 Sealander Extreme GMT56h
Water Resistance
Vanguard Weathered100m
C63 Sealander Extreme GMT150m
MSRP
Vanguard Weathered$790
C63 Sealander Extreme GMT$1,850

Full specifications

Case

6 specs
Category
GMT
Diameter
42mm
48mm
Thickness
12.6mm
12.05mm
Lug-to-Lug
49.5mm
48mm
Finish
Weathered
Brushed + Bead-blasted + Sandblasted
Water Resistance
100m
150m

Crystal & Dial

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

Movement

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

Pricing

1 specs
MSRP
$790
$1,850

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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

Owners and reviewers widely praise the Christopher Ward C63 Sealander Extreme GMT for its excellent value, tactical and travel-ready design, and impressive lume, with the black dial being a collective favorite. Its 41mm brushed steel case is noted for comfort and wearability, complemented by a well-proportioned design and excellent legibility. The watch features a Sellita SW330-2 movement with a 56-hour power reserve and 150m water resistance, including a shock-absorbing mount. Some find its refinement slightly less than pricier alternatives, and its GMT movement is considered less practical than a flyer GMT. On balance, the Christopher Ward C63 Sealander Extreme GMT is highly regarded by owners and reviewers for its compelling blend of features, rugged design, and exceptional value.

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