Side by side
Borealis Watch Co. JamantavsSeestern S443 Column Wheel Chronograph
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
17 of 29 specs differDiameter
Jamanta42.50mm
S443 Column Wheel Chronograph40mm
Power Reserve
Jamanta40h
S443 Column Wheel Chronograph45hh
Water Resistance
Jamanta300m
S443 Column Wheel Chronograph50m
MSRP
Jamanta$415
S443 Column Wheel Chronograph$10
Full specifications
Case
7 specsCategory
Diver
Chronograph
Diameter
42.50mm
40mm
Thickness
13.30mm
13mm
Lug-to-Lug
50.40mm
48.6mm
Lug Width
22mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
50m
Crystal & Dial
3 specsDial Color
Black
Pink
Indices
Applied
3D
Lume
BGW9
Super BGW9
Movement
6 specsCaliber
Miyota 9015
Seagull ST1901
Type
Automatic
Manual
Beat Rate
28,800 vph
3 vph
Power Reserve
40h
45hh
Jewels
25
21
Complications
None
Chronograph, Column Wheel
Pricing
1 specsMSRP
$415
$10
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