Side by side

Sinn 103 St DIAPALvsChristopher Ward C63 True GMT

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

103 St DIAPAL
Sinn103 St DIAPAL
MSRP $4,320
C63 True GMT
Christopher WardC63 True GMT
MSRP $4,135

At a glance

19 of 29 specs differ
Diameter
103 St DIAPAL41mm
C63 True GMT48mm
Power Reserve
103 St DIAPAL48h
C63 True GMT120h
Water Resistance
103 St DIAPAL200m
C63 True GMT100m
MSRP
103 St DIAPAL$4,320
C63 True GMT$4,135

Full specifications

Case

8 specs
Category
Tool
GMT
Diameter
41mm
48mm
Thickness
17mm
14.15mm
Lug-to-Lug
48mm
Lug Width
20mm
22mm
Finish
polished
Brushed + Polished + Sandblasted
Water Resistance
200m
100m
Caseback
Solid

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Underside
Inner
Dial Color
Anthracite
Black
Indices
Applied
Lume
Luminescent
SLN X1 BL C1

Movement

5 specs
Caliber
LJP 8000
CW-002
Beat Rate
28,800 vph
4 vph
Power Reserve
48h
120h
Jewels
28
33
Complications
GMT, Date, Chronograph, Pilot's Bezel
GMT, Moonphase, Day-date, Small seconds

Pricing

1 specs
MSRP
$4,320
$4,135

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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.

Sinn 103 St DIAPAL

Owners widely praise the Sinn 103 St DIAPAL for its robust, Germanic design, legible dial, and functional combination of a chronograph and countdown bezel, all offered at a strong value compared to other classic chronographs. The tall, domed acrylic crystal is a favored feature for its warm look and impact resistance, and the polished stainless steel case is preferred by some over a matte finish. The watch meets DIN standards for anti-magnetic, water, and shock resistance, with low-pressure resistance. Some owners note the Sinn 103 St DIAPAL is thick, though its wearability is considered good even on smaller wrists. Availability in the US market without retail distribution is a noted concern for some. Overall, owners rate the Sinn 103 St DIAPAL highly for its rugged tool-watch functionality and distinctive vintage-inspired aesthetic at a competitive price.

Christopher Ward C63 True GMT

The Christopher Ward C63 True GMT is widely praised for its in-house CW-002 caliber, which offers a 120-hour power reserve and COSC certification. Owners find the 39mm case size comfortable, though some note it wears closer to 40-41mm. While the PVD hands provide good contrast and the lume is praised for readability, one owner felt the orange accent lacked pop and the gloss dial/text combo appeared cheap in certain lighting. One owner also noted a perceived slight difference in production quality compared to a sibling model's bracelet. Overall, owners and reviewers rate the Christopher Ward C63 True GMT highly for its impressive power reserve and COSC-certified movement at its price point.

From video reviewers

The case finishing is praised for its polished and curved surfaces. The watch uses a Sellita SW330-2 movement. Reviewers disagree on the case size, with one noting 40.5mm and another highlighting a 36mm option.

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