Side by side

Christopher Ward C63 Sealander Extreme GMTvsStudio Underd0g Project Passion Crew

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
Project Passion Crew
Studio Underd0gProject Passion Crew
MSRP $840

At a glance

15 of 29 specs differ
Diameter
C63 Sealander Extreme GMT48mm
Project Passion Crew39.5mm
Power Reserve
C63 Sealander Extreme GMT56h
Project Passion Crew40h
Water Resistance
C63 Sealander Extreme GMT150m
Project Passion Crew
MSRP
C63 Sealander Extreme GMT$1,850
Project Passion Crew$840

Full specifications

Case

7 specs
Category
GMT
Chronograph
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

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

Pricing

1 specs
MSRP
$1,850
$840

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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 Project Passion Crew

The Studio Underd0g Project Passion Crew is noted for its unique "coarse dégradé amber and royal purple" multi-layer dial and manual-wind Sellita SW510 M chronograph movement with a 63-hour power reserve. However, its accessibility is severely limited as it is only sold as a $64,900 set with another watch. Overall, reviewers highlight the distinctive dial and chronograph movement as key features, though the high price and bundled sale significantly restrict its availability.

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