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 $1,850
MASTER COLLECTION CHRONOGRAPH
LonginesMASTER COLLECTION CHRONOGRAPH
MSRP $3,800

At a glance

20 of 29 specs differ
Diameter
C63 Sealander Extreme GMT48mm
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$1,850
MASTER COLLECTION CHRONOGRAPH$3,800

Full specifications

Case

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

Crystal & Dial

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

Movement

7 specs
Caliber
SW330
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, Moonphase, Day-date
Hours, minutes, small seconds at 9 o'clock and date

Pricing

1 specs
MSRP
$1,850
$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

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.

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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