Side by side
Borealis Watch Co. JamantavsStraton Straton Sportiva and Volante
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
20 of 29 specs differDiameter
Jamanta42.50mm
Straton Sportiva and Volante38mm
Power Reserve
Jamanta40h
Straton Sportiva and Volante—
Water Resistance
Jamanta300m
Straton Sportiva and Volante100m
MSRP
Jamanta$415
Straton Sportiva and Volante$599
Full specifications
Case
9 specsCategory
Diver
Chronograph
Diameter
42.50mm
38mm
Thickness
13.30mm
12mm
Lug-to-Lug
50.40mm
38mm
Lug Width
22mm
22mm
Material
Stainless Steel
316L Stainless Steel
Finish
Brushed and polished
—
Water Resistance
300m
100m
Caseback
Solid
Sportiva closed, Volante open Sapphire Crystal
Crystal & Dial
5 specsCrystal Shape
Flat
—
AR Coating
Inner
Yes
Dial Color
Black
—
Indices
Applied
—
Lume
BGW9
None
Movement
5 specsCaliber
Miyota 9015
VK64
Type
Automatic
Quartz
Beat Rate
28,800 vph
0 vph
Power Reserve
40h
0h
Jewels
25
0
Pricing
1 specsMSRP
$415
$599
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