Side by side
Borealis Watch Co. Caloura 300mvsGrand Seiko SBGH289
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
10 of 29 specs differDiameter
Caloura 300m42mm
SBGH28943.8mm
Power Reserve
Caloura 300m40h
SBGH28955h
Water Resistance
Caloura 300m300m
SBGH289200m
MSRP
Caloura 300m$275
SBGH289$7,700
Full specifications
Case
5 specsDiameter
42mm
43.8mm
Thickness
13.9mm
14.7mm
Lug-to-Lug
44.20mm
51mm
Lug Width
22mm
22mm
Water Resistance
300m
200m
Crystal & Dial
2 specsAR Coating
Inner
Yes
Lume
BGW9
None
Movement
2 specsCaliber
NH35
9S85
Power Reserve
40h
55h
Pricing
1 specsMSRP
$275
$7,700
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