Side by side
Borealis Watch Co. Caloura 300mvsChristopher 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
Caloura 300m42mm
C63 Sealander Extreme GMT40mm
Power Reserve
Caloura 300m40h
C63 Sealander Extreme GMT56h
Water Resistance
Caloura 300m300m
C63 Sealander Extreme GMT150m
MSRP
Caloura 300m$275
C63 Sealander Extreme GMT$2,075
Full specifications
Case
6 specsCategory
Diver
GMT
Diameter
42mm
40mm
Thickness
13.9mm
12.05mm
Lug-to-Lug
44.20mm
48mm
Lug Width
22mm
22mm
Water Resistance
300m
150m
Crystal & Dial
1 specsLume
BGW9
SLN X1 BL / GL
Movement
4 specsCaliber
NH35
SW330-2
Beat Rate
28,800 vph
4 vph
Power Reserve
40h
56h
Complications
None
GMT
Pricing
1 specsMSRP
$275
$2,075
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