Side by side
Biatec T. G. MasarykvsSpinnaker Dumas Automatic
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
9 of 29 specs differDiameter
T. G. Masaryk40mm
Dumas Automatic44mm
Power Reserve
T. G. Masaryk41h
Dumas Automatic40h
Water Resistance
T. G. Masaryk100m
Dumas Automatic300m
MSRP
T. G. Masaryk$2,214
Dumas Automatic$239
Full specifications
Case
5 specsCategory
—
Diver
Diameter
40mm
44mm
Thickness
11.15mm
15mm
Lug Width
20mm
22mm
Water Resistance
100m
300m
Crystal & Dial
1 specsDial Color
Beige
Blue
Movement
2 specsCaliber
Sellita SW200-1
SII NH35A
Power Reserve
41h
40h
Pricing
1 specsMSRP
—
$239
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 Spinnaker Dumas Automatic 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.
Feynman Timekeepers CoalescevsSpinnaker Dumas AutomaticMaen Manhattan 37 IFL EditionvsSpinnaker Dumas AutomaticBeaufort Permian RiftvsSpinnaker Dumas AutomaticLucky Harvey Chiming HorsevsSpinnaker Dumas AutomaticBiatec T. G. MasarykvsPhoibos Wave MasterBiatec T. G. MasarykvsSpinnaker Tesei Forged Carbon













