Side by side
Borealis Watch Co. Caloura 300mvsHamilton Jazzmaster Day Date Auto
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
10 of 29 specs differDiameter
Caloura 300m42mm
Jazzmaster Day Date Auto40mm
Power Reserve
Caloura 300m40h
Jazzmaster Day Date Auto80h
Water Resistance
Caloura 300m300m
Jazzmaster Day Date Auto50m
MSRP
Caloura 300m$275
Jazzmaster Day Date Auto$1,045
Full specifications
Case
6 specsCategory
Diver
Dress
Diameter
42mm
40mm
Thickness
13.9mm
11.52mm
Lug-to-Lug
44.20mm
46mm
Lug Width
22mm
20mm
Water Resistance
300m
50m
Crystal & Dial
1 specsLume
BGW9
None
Movement
2 specsCaliber
NH35
H-40
Power Reserve
40h
80h
Pricing
1 specsMSRP
$275
$1,045
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