Side by side
Biatec T. G. MasarykvsBorealis Watch Co. Caloura 300m
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
T. G. Masaryk40mm
Caloura 300m42mm
Power Reserve
T. G. Masaryk41h
Caloura 300m40h
Water Resistance
T. G. Masaryk100m
Caloura 300m300m
MSRP
T. G. Masaryk$2,214
Caloura 300m$275
Full specifications
Case
7 specsCategory
—
Diver
Diameter
40mm
42mm
Thickness
11.15mm
13.9mm
Lug-to-Lug
48mm
44.20mm
Lug Width
20mm
22mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
100m
300m
Crystal & Dial
2 specsDial Color
Beige
Black
Lume
None
BGW9
Movement
2 specsCaliber
Sellita SW200-1
NH35
Power Reserve
41h
40h
Pricing
1 specsMSRP
—
$275
More watches worth a look
Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.
Follow this matchup
Get a note when Biatec T. G. Masaryk vs Borealis Watch Co. Caloura 300m gets more votes, a community discussion, or a price drop. No account needed.
People also compared
Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.
Borealis Watch Co. Caloura 300mvsFeynman Timekeepers CoalesceBorealis Watch Co. Caloura 300mvsMaen Manhattan 37 IFL EditionBeaufort Permian RiftvsBorealis Watch Co. Caloura 300mBorealis Watch Co. Caloura 300mvsLucky Harvey Chiming HorseBiatec T. G. MasarykvsBoldr MarineBiatec T. G. MasarykvsBoldr Odyssey Freediver












