Side by side
Borealis Watch Co. NeptunovsChristopher Ward C63 Sealander Extreme GMT
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
14 of 29 specs differDiameter
Neptuno40.00mm
C63 Sealander Extreme GMT48mm
Power Reserve
Neptuno40h
C63 Sealander Extreme GMT56h
Water Resistance
Neptuno300m
C63 Sealander Extreme GMT150m
MSRP
Neptuno$390
C63 Sealander Extreme GMT$1,850
Full specifications
Case
7 specsCategory
Diver
GMT
Diameter
40.00mm
48mm
Thickness
14.10mm
12.05mm
Lug-to-Lug
47.20mm
48mm
Lug Width
20mm
22mm
Finish
Brushed and polished
Brushed + Bead-blasted + Sandblasted
Water Resistance
300m
150m
Crystal & Dial
2 specsAR Coating
Inner
Underside
Lume
BGW9
SLN X1 BL / GL
Movement
4 specsCaliber
NH38
SW330
Beat Rate
28,800 vph
4 vph
Power Reserve
40h
56h
Complications
None
GMT, Moonphase, Day-date
Pricing
1 specsMSRP
$390
$1,850
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