Side by side
Borealis Watch Co. Caloura 300mvsSeestern Sub 300 V4
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
17 of 29 specs differDiameter
Caloura 300m42mm
Sub 300 V442mm
Power Reserve
Caloura 300m40h
Sub 300 V441h
Water Resistance
Caloura 300m300m
Sub 300 V4200m
MSRP
Caloura 300m$275
Sub 300 V4$10
Full specifications
Case
8 specsDiameter
42mm
42mm
Thickness
13.9mm
13mm
Lug-to-Lug
44.20mm
46mm
Lug Width
22mm
20mm
Material
Stainless Steel
316L Stainless Steel
Finish
Brushed and polished
Brushed + Sandblasted
Water Resistance
300m
200m
Caseback
Solid
Solid screw-down
Crystal & Dial
3 specsAR Coating
Inner
Underside
Dial Color
Black
Orange
Lume
BGW9
Japan Lume (blue glow)
Movement
5 specsCaliber
NH35
Seiko NH35A
Beat Rate
28,800 vph
21,600 vph
Power Reserve
40h
41h
Jewels
25
24
Complications
None
GMT, Date
Pricing
1 specsMSRP
$275
$10
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