Side by side

Christopher Ward C63 Sealander Extreme GMTvsGrand Seiko SLGW003

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
SLGW003
Grand SeikoSLGW003
MSRP $11,600

At a glance

16 of 29 specs differ
Diameter
C63 Sealander Extreme GMT48mm
SLGW00338.6mm
Power Reserve
C63 Sealander Extreme GMT56h
SLGW00380h
Water Resistance
C63 Sealander Extreme GMT150m
SLGW00330m
MSRP
C63 Sealander Extreme GMT$1,850
SLGW003$11,600

Full specifications

Case

8 specs
Category
GMT
Dress
Diameter
48mm
38.6mm
Thickness
12.05mm
9.95mm
Lug-to-Lug
48mm
45mm
Lug Width
22mm
20mm
Material
Stainless Steel
Titanium
Finish
Brushed + Bead-blasted + Sandblasted
Brushed and polished
Water Resistance
150m
30m

Crystal & Dial

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

Movement

5 specs
Caliber
SW330
9SA4
Type
Automatic
Manual
Beat Rate
4 vph
28,800 vph
Power Reserve
56h
80h
Complications
GMT, Moonphase, Day-date
None

Pricing

1 specs
MSRP
$1,850
$11,600

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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 SLGW003

The Grand Seiko SLGW003 is praised for its comfortable, lightweight Brilliant Hard Titanium case, meticulous finishing, and a clean, modern dial. Reviewers highlight the new 9SA4 manual-wind movement, noting its attractive finishing, 80-hour power reserve, and accuracy of -3/+5 seconds per day. It is considered a versatile dress watch blending vintage and future Grand Seiko spirit. The €11,700 price is noted as expensive, with some questioning its value. Overall, reviewers rate the Grand Seiko SLGW003 highly for its elegant design and impressive manual-wind movement at its flagship price point.

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