Side by side

Christopher Ward C63 Sealander Extreme GMTvsLongines MASTER COLLECTION CHRONOGRAPH

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
MASTER COLLECTION CHRONOGRAPH
LonginesMASTER COLLECTION CHRONOGRAPH
MSRP $3,800

At a glance

20 of 29 specs differ
Diameter
C63 Sealander Extreme GMT40mm
MASTER COLLECTION CHRONOGRAPH44mm
Power Reserve
C63 Sealander Extreme GMT56h
MASTER COLLECTION CHRONOGRAPH66h
Water Resistance
C63 Sealander Extreme GMT150m
MASTER COLLECTION CHRONOGRAPH30m
MSRP
C63 Sealander Extreme GMT$2,075
MASTER COLLECTION CHRONOGRAPH$3,800

Full specifications

Case

7 specs
Category
GMT
Chronograph
Diameter
40mm
44mm
Thickness
12.05mm
14.4mm
Lug-to-Lug
48mm
51.8mm
Finish
Brushed and polished
Water Resistance
150m
30m
Caseback
Solid
Transparent case back with sapphire crystal

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Inner
Dial Color
Black
Blue
Indices
Applied
Applied indexes
Lume
SLN X1 BL / GL
Super-LumiNova

Movement

7 specs
Caliber
SW330-2
L688.5
Beat Rate
4 vph
28,800 vph
Power Reserve
56h
66h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No
Complications
GMT
Hours, minutes, small seconds at 9 o'clock and date

Pricing

1 specs
MSRP
$2,075
$3,800

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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.

Longines MASTER COLLECTION CHRONOGRAPH

Owners widely praise the Longines MASTER COLLECTION CHRONOGRAPH for its classic styling and excellent fit and finish. The dial is described as mesmerizing and legible, balancing class and complexity, contributing to comfortable wearability. One owner finds the column wheel chronograph and moon phase complication a good value around $2k, though notes the case finishing can appear homogenous and the chronograph hour counter sometimes does not reset perfectly. A specific variant's 3 bar water resistance is noted as a limitation, restricting it to less demanding environments. One owner identified the movement as a Valjoux 7751. Overall, owners rate the Longines MASTER COLLECTION CHRONOGRAPH highly for its attractive dial and value proposition, despite minor finishing and water resistance caveats.

From video reviewers

The polished steel case finishing and the elegant dial with Roman numerals and complications are praised. The bracelet's perceived lack of solid links and the overall high polish of the case were noted as potential drawbacks. Reviewers disagreed on the value proposition compared to other chronographs in the market.

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