Side by side

Christopher Ward C63 Sealander Extreme GMTvsNivada Grenchen Super Antarctic 35mm Automatic

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
Super Antarctic 35mm Automatic
Nivada GrenchenSuper Antarctic 35mm Automatic
MSRP $945

At a glance

13 of 29 specs differ
Diameter
C63 Sealander Extreme GMT40mm
Super Antarctic 35mm Automatic35mm
Power Reserve
C63 Sealander Extreme GMT56h
Super Antarctic 35mm Automatic36h
Water Resistance
C63 Sealander Extreme GMT150m
Super Antarctic 35mm Automatic100m
MSRP
C63 Sealander Extreme GMT$2,075
Super Antarctic 35mm Automatic$945

Full specifications

Case

8 specs
Category
GMT
Sport
Diameter
40mm
35mm
Thickness
12.05mm
10.1mm
Lug-to-Lug
48mm
41.9mm
Lug Width
22mm
18mm
Finish
Brushed and polished
Brushed + Polished
Water Resistance
150m
100m
Caseback
Solid
Engraved

Crystal & Dial

1 specs
Lume
SLN X1 BL / GL
Super-LumiNova

Movement

3 specs
Caliber
SW330-2
Sellita SW200
Power Reserve
56h
36h
Jewels
25
18

Pricing

1 specs
MSRP
$2,075
$945

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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.

Nivada Grenchen Super Antarctic 35mm Automatic

The Nivada Grenchen Super Antarctic 35mm Automatic is praised as a fantastic time-only release with excellent legibility due to its large indices and hands, and a comfortable 38mm case. Reviewers highlight its vintage-accurate 10.1mm thinness and 200m water resistance. An owner reports accuracy gains of +6 to +9 seconds per day, and one reviewer notes the "cream" lume color appears too yellow for faux patina. Overall, owners and reviewers rate the Nivada Grenchen Super Antarctic 35mm Automatic highly for its comfortable size and excellent legibility at its price point.

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