Christopher Ward C63 Sealander Extreme GMTvsRolex Explorer II

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Measurements

Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Christopher Ward C63 Sealander Extreme GMT at true scale

C63 Sealander Extreme GMT

Rolex Explorer II at true scale

Explorer II

Diameter

41mm

42mm

Lug-to-Lug

48mm

n/a

Thickness

12.1mm

n/a

Water Resistance

150m

highest

100m

Power Reserve

56h

70h

highest

MSRP

$2,075

lowest

$10,600

Movement

Sellita SW330-2

3285

Case

7 specs
Diameter
41mm
42mm
Thickness
12.05mm
n/a
Lug-to-Lug
48mm
n/a
Lug Width
22mm
n/a
Material
Stainless Steel
Oystersteel
Water Resistance
150m
100m
Caseback
n/a
Monobloc middle case, screw-down case back and winding crown

Crystal & Dial

3 specs
Crystal Shape
n/a
Flat
Indices
n/a
Index
Lume
SLN X1 BL / GL
Chromalight

Movement

7 specs
Caliber
Sellita SW330-2
3285
Beat Rate
4 vph
28,800 vph
Power Reserve
56h
70h
Jewels
25
34
Hacking
No
Yes
Hand-winding
No
Yes
Complications
GMT
GMT, Date

Pricing

1 specs
MSRP
$2,075
$10,600
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Reviews

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, with reviewers highlighting its impressive lume and tactical, travel-ready design. Owners and reviewers note its 41mm brushed steel case, Globolight lume, and Sellita SW330-2 movement, which is generally considered reliable despite a standard accuracy rating of ±20 seconds per day. Some find the green dial an acquired taste and consider its hands and markers less refined than those on significantly more expensive watches. On balance, owners and reviewers rate the Christopher Ward C63 Sealander Extreme GMT highly for its impressive lume and value proposition.

Rolex Explorer II

Owners widely praise the Rolex Explorer II for its high-contrast, legible polar dial with matte, textured finishing and its understated, classic, toolish aesthetic. Its clean lume, legibility, and ease of reading are also frequently noted. Some owners find the bracelet incredibly comfortable. Accuracy is reported as excellent, with one owner noting +/- 1 second per day. The 42mm case size is a point of contention, with some finding it too large and others appreciating its "big boy watch" suitability for everyday wear. The bezel is noted as easily scratched, and some criticize the lack of a Glidelock clasp. One owner dislikes the magnified date window for being difficult to read at angles. Overall, owners rate the Rolex Explorer II highly for its legible dial and comfortable bracelet, despite some debate over its 42mm size.

From video reviewers

The fixed 24-hour bezel and independent GMT hand provide practical dual-time functionality. The 42mm Oystersteel case is noted for versatile wearability. Reviewers disagree on the watch's sizing, with some finding it awkward and others stating it wears well.

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