Side by side

Christopher Ward C63 Sealander Extreme GMTvsStudio Underd0g Desert Sky (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 $2,075
Desert Sky (Gen3)
Studio Underd0gDesert Sky (Gen3)
MSRP $550

At a glance

13 of 29 specs differ
Diameter
C63 Sealander Extreme GMT40mm
Desert Sky (Gen3)38.5mm
Power Reserve
C63 Sealander Extreme GMT56h
Desert Sky (Gen3)40h
Water Resistance
C63 Sealander Extreme GMT150m
Desert Sky (Gen3)
MSRP
C63 Sealander Extreme GMT$2,075
Desert Sky (Gen3)$550

Full specifications

Case

6 specs
Category
GMT
Chronograph
Diameter
40mm
38.5mm
Thickness
12.05mm
Lug-to-Lug
48mm
Lug Width
22mm
Water Resistance
150m

Crystal & Dial

2 specs
Dial Color
Black
Standard
Lume
SLN X1 BL / GL
None

Movement

4 specs
Caliber
SW330-2
Beat Rate
4 vph
28,800 vph
Power Reserve
56h
40h
Complications
GMT
None

Pricing

1 specs
MSRP
$2,075
$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

The Christopher Ward C63 Sealander Extreme GMT is widely praised as a competent and comfortable tool watch offering excellent value. Reviewers consistently highlight its impressive Globolight lume, providing excellent legibility, and its well-proportioned 41mm brushed steel case. The Sellita SW330-2 movement is noted as reliable, though its standard accuracy is stated as ±20 seconds per day, and its GMT functionality is considered less advanced than some alternatives. One owner notes the green dial can be an acquired taste, and hands and markers are considered less refined than those on significantly more expensive watches. The Christopher Ward C63 Sealander Extreme GMT is priced attractively at €1,895 on bracelet. Overall, owners and reviewers highly regard the Christopher Ward C63 Sealander Extreme GMT for its rugged, travel-ready design and impressive lume at its price point.

Studio Underd0g Desert Sky (Gen3)

Owners widely praise the Studio Underd0g Desert Sky (Gen3) for its vibrant blue dial that exhibits depth and liveliness under varying light, its fun and creative design, and its value as a mechanical chronograph. The Seagull 1901 movement provides column-wheel chronograph functionality, with one owner reporting accuracy around +6 seconds per day and satisfying chronograph pusher feel. However, the watch is criticized for a highly reflective, overly domed crystal and weak lume. Some owners find the 13.6mm thickness to be substantial. On balance, owners rate the Studio Underd0g Desert Sky (Gen3) highly for its engaging dial and value proposition as a mechanical chronograph.

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