Side by side

Sinn 103 St Ty HdvsChristopher Ward C63 Sealander Extreme GMT

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

103 St Ty Hd
Sinn103 St Ty Hd
MSRP $2,797
C63 Sealander Extreme GMT
Christopher WardC63 Sealander Extreme GMT
MSRP $2,075
What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Sinn 103 St Ty Hd

The Sinn 103 St Ty Hd is widely praised as a stunning, heritage-inspired pilot's chronograph with a utilitarian feel and bold red accents on a black dial. Owners note it offers a different experience compared to typical Sinn watches. It features a hand-wound Sellita SW510 M movement, a 58-hour power reserve, 20 ATM water resistance, and impact-resistant acrylic glass. The Sinn 103 St Ty Hd is priced at €2,590 and is limited to 1,000 units. On balance, owners and reviewers rate the Sinn 103 St Ty Hd highly for its unique aesthetic and tool watch attributes.

From video reviewers

The watch's robustness and ability to withstand extreme conditions without compromising accuracy are notable strengths. The relatively high price point is a shared weakness. Reviewers disagree on the watch's thickness, with one reviewer considering it a drawback and the other not mentioning it.

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.

At a glance

18 of 29 specs differ
Diameter
103 St Ty Hd41mm
C63 Sealander Extreme GMT40mm
Power Reserve
103 St Ty Hd48h
C63 Sealander Extreme GMT56h
Water Resistance
103 St Ty Hd200m
C63 Sealander Extreme GMT150m
MSRP
103 St Ty Hd$2,797
C63 Sealander Extreme GMT$2,075

Full specifications

Case

8 specs
Category
Tool
GMT
Diameter
41mm
40mm
Thickness
14.7mm
12.05mm
Lug-to-Lug
48mm
Lug Width
20mm
22mm
Finish
Brushed and polished
Water Resistance
200m
150m
Caseback
Solid

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Inner
Indices
Applied
Lume
None
SLN X1 BL / GL

Movement

5 specs
Caliber
ETA 7750
SW330-2
Beat Rate
28,800 vph
4 vph
Power Reserve
48h
56h
Jewels
23
25
Complications
None
GMT

Pricing

1 specs
MSRP
$2,797
$2,075
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