Side by side

Christopher Ward C63 Sealander Extreme GMTvsLongines MASTER COLLECTION

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
LonginesMASTER COLLECTION
MSRP $2,450

At a glance

21 of 29 specs differ
Diameter
C63 Sealander Extreme GMT40mm
MASTER COLLECTION34mm
Power Reserve
C63 Sealander Extreme GMT56h
MASTER COLLECTION
Water Resistance
C63 Sealander Extreme GMT150m
MASTER COLLECTION30m
MSRP
C63 Sealander Extreme GMT$2,075
MASTER COLLECTION$2,450

Full specifications

Case

8 specs
Category
GMT
Dress
Diameter
40mm
34mm
Thickness
12.05mm
9.2mm
Lug-to-Lug
48mm
41.7mm
Lug Width
22mm
18mm
Finish
Brushed and polished
Water Resistance
150m
30m
Caseback
Solid

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Inner
Dial Color
Black
Ivory
Indices
Applied
Lume
SLN X1 BL / GL
None

Movement

7 specs
Caliber
SW330-2
L888.5
Beat Rate
4 vph
0 vph
Power Reserve
56h
0h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No
Complications
GMT
None

Pricing

1 specs
MSRP
$2,075
$2,450

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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

Owners widely praise the Longines Master Collection for its excellent value, refined design, and high-quality finishing, with specific mentions of beautiful dials featuring engraved Breguet numerals and attractive vintage aesthetics. The watch is noted for its dressy feel and classic styling, with some owners preferring its wearability to other collections. However, some reviewers flag the subdial cutting off numerals, uninspiring crown and pushers on certain chronograph models, and a lack of micro-adjustments on the bracelet. Other owners find the case finishing homogenous and dial printing less refined, and the collection's traditional styling is sometimes seen as less popular than sportier alternatives. Accuracy figures are not consistently reported across sources, and water resistance is noted as 30m on one variant. Overall, owners and reviewers rate the Longines Master Collection highly for its refined design and exceptional value, particularly for its dress watch offerings.

From video reviewers

The watch's lug-to-lug fit of 44.75mm is a notable combination with its 38.5mm width, making it suitable for smaller wrists. The Longines MASTER COLLECTION's annual calendar function can be finicky, requiring occasional manual adjustments to keep it accurate. Reviewers disagree on the watch's case size, with one reviewer mentioning 40mm and another mentioning 42mm.

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