Side by side
Borealis Watch Co. Caloura 300mvsSangin Instruments Professional
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
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At a glance
12 of 29 specs differDiameter
Caloura 300m42mm
Professional43.5mm
Power Reserve
Caloura 300m—
Professional—
Water Resistance
Caloura 300m300m
Professional300m
MSRP
Caloura 300m$275
Professional$679
Full specifications
Case
6 specsCategory
Diver
—
Diameter
42mm
43.5mm
Thickness
13.9mm
0mm
Lug-to-Lug
44.2mm
0mm
Lug Width
22mm
0mm
Material
Stainless Steel
—
Crystal & Dial
3 specsCrystal
Sapphire
—
Dial Color
—
Midnight Black
Lume
BGW9
None
Movement
2 specsCaliber
Seiko NH35
Quartz (Ronda GMT)
Type
Automatic
Quartz
Pricing
1 specsMSRP
$275
$679
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