Side by side

Christopher Ward C63 Sealander Extreme GMTvsStudio Underd0g The Manhattan

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
The Manhattan
Studio Underd0gThe Manhattan
MSRP $1,000

At a glance

16 of 29 specs differ
Diameter
C63 Sealander Extreme GMT48mm
The Manhattan39.5mm
Power Reserve
C63 Sealander Extreme GMT56h
The Manhattan40h
Water Resistance
C63 Sealander Extreme GMT150m
The Manhattan
MSRP
C63 Sealander Extreme GMT$1,850
The Manhattan$1,000

Full specifications

Case

7 specs
Category
GMT
Casual
Diameter
48mm
39.5mm
Thickness
12.05mm
Lug-to-Lug
48mm
Lug Width
22mm
Finish
Brushed + Bead-blasted + Sandblasted
Brushed and polished
Water Resistance
150m

Crystal & Dial

3 specs
AR Coating
Underside
Inner
Dial Color
Black
Standard
Lume
SLN X1 BL / GL
None

Movement

5 specs
Caliber
SW330
Type
Automatic
Manual
Beat Rate
4 vph
28,800 vph
Power Reserve
56h
40h
Complications
GMT, Moonphase, Day-date
None

Pricing

1 specs
MSRP
$1,850
$1,000

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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.

Studio Underd0g The Manhattan

Studio Underd0g The Manhattan is widely praised for its captivating amber fumé sunray dial with a raised sapphire disc, creating unique depth and animation. Owners appreciate the comfortable 38mm cushion case and the tactile winding feel of the manual-wind Sellita SW210-1 movement. Some in the community note the dial's design elements are reminiscent of Fears. The watch offers 10atm water resistance. Overall, owners and reviewers rate Studio Underd0g The Manhattan highly for its distinctive dial and comfortable wearability.

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