Side by side
Alexander James Watches A4 Prelude 37 GMTvsChristopher Ward C63 Sealander Rocks
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
A4 Prelude 37 GMT37.4mm
C63 Sealander Rocks40mm
Power Reserve
A4 Prelude 37 GMT—
C63 Sealander Rocks38h
Water Resistance
A4 Prelude 37 GMT200m
C63 Sealander Rocks150m
MSRP
A4 Prelude 37 GMT—
C63 Sealander Rocks$1,350
Full specifications
Case
5 specsCategory
—
Sport
Diameter
37.4mm
40mm
Thickness
12.1mm
11.05mm
Lug-to-Lug
44.7mm
42.87mm
Water Resistance
200m
150m
Crystal & Dial
2 specsDial Color
White
Yellow
Lume
BGW9
SLN X1 BL C1
Movement
4 specsCaliber
Seiko NH34
SW200-1
Beat Rate
28,800 vph
4 vph
Power Reserve
—
38h
Jewels
25
26
Pricing
1 specsMSRP
—
$1,350
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