Side by side
Christopher Ward C63 Sealander Extreme GMTvsSeestern S424 Full Lume Pilot
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
13 of 29 specs differDiameter
C63 Sealander Extreme GMT40mm
S424 Full Lume Pilot38mm
Power Reserve
C63 Sealander Extreme GMT56h
S424 Full Lume Pilot41h
Water Resistance
C63 Sealander Extreme GMT150m
S424 Full Lume Pilot50m
MSRP
C63 Sealander Extreme GMT$2,075
S424 Full Lume Pilot$299
Full specifications
Case
7 specsCategory
GMT
Pilot
Diameter
40mm
38mm
Thickness
12.05mm
11mm
Lug-to-Lug
48mm
46mm
Lug Width
22mm
19mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
150m
50m
Crystal & Dial
1 specsLume
SLN X1 BL / GL
Full lume
Movement
4 specsCaliber
SW330-2
Seiko NH35A
Beat Rate
4 vph
21,600 vph
Power Reserve
56h
41h
Jewels
25
24
Pricing
1 specsMSRP
$2,075
$299
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