Side by side
ALANTI UltrablackvsChristopher Ward C63 Sealander Extreme GMT
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
Ultrablack38mm
C63 Sealander Extreme GMT40mm
Power Reserve
Ultrablack40h
C63 Sealander Extreme GMT56h
Water Resistance
Ultrablack50m
C63 Sealander Extreme GMT150m
MSRP
Ultrablack$506
C63 Sealander Extreme GMT$2,075
Full specifications
Case
6 specsCategory
—
GMT
Diameter
38mm
40mm
Thickness
9.1mm
12.05mm
Lug-to-Lug
46mm
48mm
Lug Width
20mm
22mm
Water Resistance
50m
150m
Crystal & Dial
1 specsLume
None
SLN X1 BL / GL
Movement
4 specsCaliber
Miyota 9039
SW330-2
Beat Rate
28,800 vph
4 vph
Power Reserve
40h
56h
Complications
None
GMT
Pricing
1 specsMSRP
$506
$2,075
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