Side by side

Borealis Watch Co. Caloura 300mvsMaen Grand Tonneau Ultra Thin

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Caloura 300m
Borealis Watch Co.Caloura 300m
MSRP $275
Grand Tonneau Ultra Thin
MaenGrand Tonneau Ultra Thin
MSRP $1,519

At a glance

11 of 29 specs differ
Diameter
Caloura 300m42mm
Grand Tonneau Ultra Thin34mm
Power Reserve
Caloura 300m40h
Grand Tonneau Ultra Thin40h
Water Resistance
Caloura 300m300m
Grand Tonneau Ultra Thin50m
MSRP
Caloura 300m$275
Grand Tonneau Ultra Thin$1,519

Full specifications

Case

7 specs
Category
Diver
Dress
Diameter
42mm
34mm
Thickness
13.9mm
6.4mm
Lug-to-Lug
44.20mm
Lug Width
22mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
50m

Crystal & Dial

2 specs
Dial Color
Black
MNL.04
Lume
BGW9
None

Movement

1 specs
Caliber
NH35

Pricing

1 specs
MSRP
$275
$1,519

Follow this matchup

Get a note when Borealis Watch Co. Caloura 300m vs Maen Grand Tonneau Ultra Thin gets more votes, a community discussion, or a price drop. No account needed.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.