Side by side
Borealis Watch Co. Caloura 300mvsGrand Seiko SLGB006
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
13 of 29 specs differDiameter
Caloura 300m42mm
SLGB00637mm
Power Reserve
Caloura 300m40h
SLGB00672h
Water Resistance
Caloura 300m300m
SLGB006100m
MSRP
Caloura 300m$275
SLGB006$43,600
Full specifications
Case
7 specsCategory
Diver
Dress
Diameter
42mm
37mm
Thickness
13.9mm
11.4mm
Lug-to-Lug
44.20mm
44.3mm
Lug Width
22mm
20mm
Material
Stainless Steel
Gold
Water Resistance
300m
100m
Crystal & Dial
2 specsAR Coating
Inner
Yes
Lume
BGW9
None
Movement
3 specsCaliber
NH35
9RB2
Type
Automatic
Spring Drive
Power Reserve
40h
72h
Pricing
1 specsMSRP
$275
$43,600
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