Side by side

Christopher Ward C63 Sealander Extreme GMTvsGrand Seiko SBGM245

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
SBGM245
Grand SeikoSBGM245
MSRP $6,100

At a glance

13 of 29 specs differ
Diameter
C63 Sealander Extreme GMT48mm
SBGM24540.5mm
Power Reserve
C63 Sealander Extreme GMT56h
SBGM24572h
Water Resistance
C63 Sealander Extreme GMT150m
SBGM245200m
MSRP
C63 Sealander Extreme GMT$1,850
SBGM245$6,100

Full specifications

Case

6 specs
Diameter
48mm
40.5mm
Thickness
12.05mm
14.4mm
Lug-to-Lug
48mm
48.6mm
Lug Width
22mm
20mm
Finish
Brushed + Bead-blasted + Sandblasted
Brushed and polished
Water Resistance
150m
200m

Crystal & Dial

2 specs
AR Coating
Underside
Yes
Lume
SLN X1 BL / GL
None

Movement

4 specs
Caliber
SW330
9S66
Beat Rate
4 vph
28,800 vph
Power Reserve
56h
72h
Complications
GMT, Moonphase, Day-date
None

Pricing

1 specs
MSRP
$1,850
$6,100

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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.

Grand Seiko SBGM245

Owners widely appreciate the Grand Seiko SBGM245 for its blend of sport and luxury, with one enthusiast highlighting its superior workmanship over quartz movements. However, opinions on its size vary, as one owner found the SBGM245 too large, preferring the comfort of a different variant. Overall, owners value the Grand Seiko SBGM245 for its refined craftsmanship, though its wearability is a point of personal preference.

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