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.
At a glance
11 of 29 specs differDiameter
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 specsCategory
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 specsDial Color
Black
MNL.04
Lume
BGW9
None
Movement
1 specsCaliber
NH35
—
Pricing
1 specsMSRP
$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.
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.
Maen Grand Tonneau Ultra ThinvsSpinnaker Tesei TitaniumMarathon Arctic OSAR 41mm AutomaticvsMaen Grand Tonneau Ultra ThinMaen Grand Tonneau Ultra ThinvsMarathon Jeep Rubicon GSARMaen Grand Tonneau Ultra ThinvsMarathon Jeep Rubicon TSARBorealis Watch Co. Caloura 300mvsLorier ZephyrBorealis Watch Co. Caloura 300mvsYema Granvelle CMM.29









