Side by side

Christopher Ward C63 Sealander Extreme GMTvsStudio Underd0g Mint Choc Chip (Gen3)

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
Mint Choc Chip (Gen3)
Studio Underd0gMint Choc Chip (Gen3)
MSRP $550

At a glance

15 of 29 specs differ
Diameter
C63 Sealander Extreme GMT48mm
Mint Choc Chip (Gen3)38.5mm
Power Reserve
C63 Sealander Extreme GMT56h
Mint Choc Chip (Gen3)40h
Water Resistance
C63 Sealander Extreme GMT150m
Mint Choc Chip (Gen3)
MSRP
C63 Sealander Extreme GMT$1,850
Mint Choc Chip (Gen3)$550

Full specifications

Case

7 specs
Category
GMT
Chronograph
Diameter
48mm
38.5mm
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
$550

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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 Mint Choc Chip (Gen3)

Owners and reviewers praise the Studio Underd0g Mint Choc Chip (Gen3) for its unique, visually striking design, featuring an asymmetrical dial, textured two-tone finish, orange chrono hand tips, and chocolate chip hour markers, all housed in a comfortable 38.5mm case with a hand-winding SeaGull ST-1901 movement and a goat-skin strap. Some owners, however, find the watch overpriced for its movement and dial quality, and a few feel it appears toy-like on larger wrists. Overall, owners and reviewers value the Studio Underd0g Mint Choc Chip (Gen3) for its distinctive aesthetic and comfortable wear, despite some reservations about price and perceived scale.

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