Side by side

Sinn 144 St DIAPALvsChristopher Ward C63 Sealander GMT

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

144 St DIAPAL
Sinn144 St DIAPAL
MSRP $4,428
C63 Sealander GMT
Christopher WardC63 Sealander GMT
MSRP $1,675

At a glance

19 of 29 specs differ
Diameter
144 St DIAPAL41mm
C63 Sealander GMT42mm
Power Reserve
144 St DIAPAL48h
C63 Sealander GMT56h
Water Resistance
144 St DIAPAL200m
C63 Sealander GMT150m
MSRP
144 St DIAPAL$4,428
C63 Sealander GMT$1,675

Full specifications

Case

8 specs
Category
Tool
GMT
Diameter
41mm
42mm
Thickness
14.2mm
11.5mm
Lug-to-Lug
48.5mm
Lug Width
20mm
22mm
Finish
bead-blasted
Brushed + Polished + Sandblasted
Water Resistance
200m
150m
Caseback
Display

Crystal & Dial

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

Movement

5 specs
Caliber
LJP 8000
SW330
Beat Rate
28,800 vph
4 vph
Power Reserve
48h
56h
Jewels
28
25
Complications
GMT, Date, Chronograph, Tachymeter
GMT, Moonphase, Day-date

Pricing

1 specs
MSRP
$4,428
$1,675

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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 144 St DIAPAL

The Sinn 144 St DIAPAL is widely praised for its flawless bead-blasting, comfortable 41mm wearability, and legible presentation of information, including a pulsemeter and tachymeter scales. Owners appreciate its quality and confidence-inspiring feel, with one noting excellent timekeeping at 5 seconds slow over 4 days. However, the reset pusher is stiff, and strap options are limited by the integrated case. Some find the 12-hour UTC hand less intuitive, and one owner considers it too sporty for a sole daily watch. On balance, owners rate the Sinn 144 St DIAPAL highly for its robust build and functional, legible dial at its price point.

Christopher Ward C63 Sealander GMT

The Christopher Ward C63 Sealander GMT is praised for its comfortable wearability, with reviewers noting its slim profile, short lugs, and 39mm case size, while others prefer the proportions of the 36mm version. The watch features a Light-catcher case with alternating brushed and polished surfaces, and the Bader bracelet is highlighted for its build quality and comfort at its price point. Some owners find the gloss white dial's text and indices small, and the orange accents can appear yellow. The Sellita SW330-2 movement provides caller GMT functionality and a 56-hour power reserve. On balance, owners and reviewers appreciate the Christopher Ward C63 Sealander GMT for its comfortable wearability and solid bracelet construction at its price.

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