Side by side
Biatec T. G. MasarykvsSpinnaker Bradner GMT
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
10 of 29 specs differDiameter
T. G. Masaryk40mm
Bradner GMT42mm
Power Reserve
T. G. Masaryk41h
Bradner GMT40h
Water Resistance
T. G. Masaryk100m
Bradner GMT180m
MSRP
T. G. Masaryk$2,214
Bradner GMT$299
Full specifications
Case
6 specsCategory
—
GMT
Diameter
40mm
42mm
Thickness
11.15mm
15mm
Lug-to-Lug
48mm
50mm
Lug Width
20mm
22mm
Water Resistance
100m
180m
Crystal & Dial
1 specsDial Color
Beige
Brown
Movement
2 specsCaliber
Sellita SW200-1
Seiko NH34A
Power Reserve
41h
40h
Pricing
1 specsMSRP
—
$299
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 Bradner GMT 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 Bradner GMTMaen Manhattan 37 IFL EditionvsSpinnaker Bradner GMTBeaufort Permian RiftvsSpinnaker Bradner GMTLucky Harvey Chiming HorsevsSpinnaker Bradner GMTBiatec T. G. MasarykvsIslander JFK Automatic GMT Watch with Batman Dial #ISL-338Biatec T. G. MasarykvsIslander Automatic GMT Dive Watch with Blue Waffle Dial #ISL-214














