Side by side
Alexander James Watches A4 Prelude 37 GMTvsChristopher Ward C63 Sealander Extreme GMT
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
13 of 29 specs differDiameter
A4 Prelude 37 GMT37.4mm
C63 Sealander Extreme GMT40mm
Power Reserve
A4 Prelude 37 GMT—
C63 Sealander Extreme GMT56h
Water Resistance
A4 Prelude 37 GMT200m
C63 Sealander Extreme GMT150m
MSRP
A4 Prelude 37 GMT—
C63 Sealander Extreme GMT$2,075
Full specifications
Case
6 specsCategory
—
GMT
Diameter
37.4mm
40mm
Thickness
12.1mm
12.05mm
Lug-to-Lug
44.7mm
48mm
Lug Width
20mm
22mm
Water Resistance
200m
150m
Crystal & Dial
2 specsDial Color
White
Black
Lume
BGW9
SLN X1 BL / GL
Movement
4 specsCaliber
Seiko NH34
SW330-2
Beat Rate
28,800 vph
4 vph
Power Reserve
—
56h
Complications
None
GMT
Pricing
1 specsMSRP
—
$2,075
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