Side by side
Borealis Watch Co. Caloura 300mvsLongines MASTER COLLECTION
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
21 of 29 specs differDiameter
Caloura 300m42mm
MASTER COLLECTION25.5mm
Power Reserve
Caloura 300m40h
MASTER COLLECTION45h
Water Resistance
Caloura 300m300m
MASTER COLLECTION30m
MSRP
Caloura 300m$275
MASTER COLLECTION$6,350
Full specifications
Case
9 specsCategory
Diver
—
Diameter
42mm
25.5mm
Thickness
13.9mm
9mm
Lug-to-Lug
44.20mm
30.6mm
Lug Width
22mm
13mm
Material
Stainless Steel
Gold
Finish
Brushed and polished
—
Water Resistance
300m
30m
Caseback
Solid
Transparent case back with sapphire crystal
Crystal & Dial
5 specsCrystal Shape
Flat
—
AR Coating
Inner
—
Dial Color
Black
Silver
Indices
Applied
Painted Arabic numerals
Lume
BGW9
Super-LumiNova
Movement
6 specsCaliber
NH35
L592.5
Power Reserve
40h
45h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No
Complications
None
Hours, minutes, seconds and date
Pricing
1 specsMSRP
$275
$6,350
Follow this matchup
Get a note when Borealis Watch Co. Caloura 300m vs Longines MASTER COLLECTION 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.









