Side by side

Christopher Ward C63 Sealander Extreme GMTvsIslander Islander Republic Traveler GMT Watch with Black Dial #ISL-276

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
Islander Republic Traveler GMT Watch with Black Dial #ISL-276
IslanderIslander Republic Traveler GMT Watch with Black Dial #ISL-276
MSRP $695

At a glance

17 of 29 specs differ
Diameter
C63 Sealander Extreme GMT48mm
Islander Republic Traveler GMT Watch with Black Dial #ISL-27640mm
Power Reserve
C63 Sealander Extreme GMT56h
Islander Republic Traveler GMT Watch with Black Dial #ISL-276
Water Resistance
C63 Sealander Extreme GMT150m
Islander Republic Traveler GMT Watch with Black Dial #ISL-276200m
MSRP
C63 Sealander Extreme GMT$1,850
Islander Republic Traveler GMT Watch with Black Dial #ISL-276$695

Full specifications

Case

7 specs
Diameter
48mm
40mm
Thickness
12.05mm
13.1mm
Lug-to-Lug
48mm
46.5mm
Lug Width
22mm
20mm
Finish
Brushed + Bead-blasted + Sandblasted
Water Resistance
150m
200m
Caseback
Solid
Screw-down

Crystal & Dial

3 specs
Dial Color
Black
Indices
Applied
Lume
SLN X1 BL / GL
None

Movement

6 specs
Caliber
SW330
Miyota 9075
Type
Automatic
Manual
Beat Rate
4 vph
0 vph
Power Reserve
56h
0h
Jewels
25
0
Complications
GMT, Moonphase, Day-date
None

Pricing

1 specs
MSRP
$1,850
$695

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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.

Islander Republic Traveler GMT Watch with Black Dial #ISL-276

Owners widely praise the Islander Republic Traveler GMT Watch with Black Dial #ISL-276 for its excellent case finishing and build quality, featuring applied indices and a matching date wheel. The watch is noted for wearing well on the wrist with ample micro-adjustment options for a comfortable fit, and it is running at +2 seconds per day out of the box, powered by an SW330-2 movement. Overall, owners rate the Islander Republic Traveler GMT Watch with Black Dial #ISL-276 highly for its finishing and wearability at the price point.

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