Side by side

Christopher Ward C63 Sealander Extreme GMTvsSinn T50 GBDR

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
T50 GBDR
SinnT50 GBDR
MSRP $4,428
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.

Sinn T50 GBDR

The Sinn T50 GBDR features a titanium case with a GoldBronze bezel and matte black dial, presenting a two-tone toolish aesthetic that reviewers find appealing. The GoldBronze alloy offers improved skin compatibility and corrosion resistance, developing patina slower than standard bronze. Reviewers note a stamped clasp that can come loose and suggest the price point may be high for some Sinn enthusiasts.

At a glance

18 of 29 specs differ
Diameter
C63 Sealander Extreme GMT40mm
T50 GBDR41mm
Power Reserve
C63 Sealander Extreme GMT56h
T50 GBDR38h
Water Resistance
C63 Sealander Extreme GMT150m
T50 GBDR500m
MSRP
C63 Sealander Extreme GMT$2,075
T50 GBDR$4,428

Full specifications

Case

9 specs
Category
GMT
Diver
Diameter
40mm
41mm
Thickness
12.05mm
12.3mm
Lug-to-Lug
48mm
Lug Width
22mm
20mm
Material
Stainless Steel
Titanium
Finish
Brushed and polished
bead-blasted
Water Resistance
150m
500m
Caseback
Solid

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Inner
Underside
Indices
Applied
Lume
SLN X1 BL / GL
Luminescent

Movement

4 specs
Caliber
SW330-2
SW 300-1
Beat Rate
4 vph
28,800 vph
Power Reserve
56h
38h
Complications
GMT
Date

Pricing

1 specs
MSRP
$2,075
$4,428
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