Side by side
Christopher Ward C63 Sealander Extreme GMTvsSugess Ocean Star S450 YM
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
14 of 29 specs differDiameter
C63 Sealander Extreme GMT48mm
Ocean Star S450 YM40mm
Power Reserve
C63 Sealander Extreme GMT56h
Ocean Star S450 YM40h
Water Resistance
C63 Sealander Extreme GMT150m
Ocean Star S450 YM300m
MSRP
C63 Sealander Extreme GMT$1,850
Ocean Star S450 YM$449
Full specifications
Case
7 specsCategory
GMT
Diver
Diameter
48mm
40mm
Thickness
12.05mm
12mm
Lug-to-Lug
48mm
46mm
Lug Width
22mm
20mm
Finish
Brushed + Bead-blasted + Sandblasted
Brushed and polished
Water Resistance
150m
300m
Crystal & Dial
2 specsAR Coating
Underside
Inner
Lume
SLN X1 BL / GL
Tritium
Movement
4 specsCaliber
SW330
Seiko NH35
Beat Rate
4 vph
3 vph
Power Reserve
56h
40h
Complications
GMT, Moonphase, Day-date
GMT, Moonphase, Date
Pricing
1 specsMSRP
$1,850
$449
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