Side by side
Borealis Watch Co. Caloura 300mvsStraton Vintage Driver Chrono watch
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
20 of 29 specs differDiameter
Caloura 300m42mm
Vintage Driver Chrono watch44mm
Power Reserve
Caloura 300m40h
Vintage Driver Chrono watch—
Water Resistance
Caloura 300m300m
Vintage Driver Chrono watch100m
MSRP
Caloura 300m$275
Vintage Driver Chrono watch$399
Full specifications
Case
9 specsCategory
Diver
Chronograph
Diameter
42mm
44mm
Thickness
13.9mm
12mm
Lug-to-Lug
44.20mm
50mm
Lug Width
22mm
22mm
Material
Stainless Steel
316L Stainless Steel
Finish
Brushed and polished
—
Water Resistance
300m
100m
Caseback
Solid
—
Crystal & Dial
5 specsCrystal Shape
Flat
—
AR Coating
Inner
—
Dial Color
Black
—
Indices
Applied
—
Lume
BGW9
None
Movement
5 specsCaliber
NH35
VK63
Type
Automatic
Quartz
Beat Rate
28,800 vph
0 vph
Power Reserve
40h
0h
Jewels
25
0
Pricing
1 specsMSRP
$275
$399
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