Side by side
Borealis Watch Co. Caloura 300mvsGrand Seiko SBGR261
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
11 of 29 specs differDiameter
Caloura 300m42mm
SBGR26139.5mm
Power Reserve
Caloura 300m40h
SBGR26172h
Water Resistance
Caloura 300m300m
SBGR26130m
MSRP
Caloura 300m$275
SBGR261$4,900
Full specifications
Case
6 specsCategory
Diver
Dress
Diameter
42mm
39.5mm
Thickness
13.9mm
13.1mm
Lug-to-Lug
44.20mm
46.9mm
Lug Width
22mm
19mm
Water Resistance
300m
30m
Crystal & Dial
2 specsAR Coating
Inner
Yes
Lume
BGW9
None
Movement
2 specsCaliber
NH35
9S65
Power Reserve
40h
72h
Pricing
1 specsMSRP
$275
$4,900
Follow this matchup
Get a note when Borealis Watch Co. Caloura 300m vs Grand Seiko SBGR261 gets more votes, a community discussion, or a price drop. No account needed.
More watches worth a look
Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.
People also compared
Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.