Side by side

Biatec T. G. MasarykvsGrand Seiko SBGR321

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

Add a watch
T. G. Masaryk
BiatecT. G. Masaryk
MSRP $2,214
SBGR321
Grand SeikoSBGR321
MSRP $5,200
Buy from Biatec ↗
Buy used on eBay ↗
Buy from Grand Seiko ↗
Buy used on eBay ↗

At a glance

9 of 29 specs differ
Diameter
T. G. Masaryk40mm
SBGR32140mm
Power Reserve
T. G. Masaryk41h
SBGR32172h
Water Resistance
T. G. Masaryk100m
SBGR321100m
MSRP
T. G. Masaryk$2,214
SBGR321$5,200

Full specifications

Case

4 specs
Category
—
Dress
Thickness
11.15mm
13mm
Lug-to-Lug
48mm
46.6mm
Material
316L Stainless Steel
Stainless Steel

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Dial Color
Beige
Black

Movement

2 specs
Caliber
Sellita SW200-1
9S65
Power Reserve
41h
72h

Pricing

1 specs
MSRP
—
$5,200
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.

Feynman Timekeepers Coalesce
Feynman Timekeepersmicro

Coalesce

6 variantsRef. the-panda
39mm·Automatic
$5,448MSRP
—Used
anOrdain Model 2 Porcelain
anOrdainmicro

Model 2 Porcelain

36/39.5mm
Ref. model-2-porcelain-medium-1
36/39.5mm·Automatic
$2,356MSRP
—Used
Maen Manhattan 37 IFL Edition
Maenmicro

Manhattan 37 IFL Edition

8 watches · 30 variantsManhattan
37mm·Automatic·100m WR
$1,199MSRP
—Used
anOrdain Model 1
anOrdainmicro

Model 1

35/38/41mm
8 variantsModel 1
35/38/41mm·Manual
$3,804MSRP
—Used
Beaufort Permian Rift
Beaufortmicro

Permian Rift

4 variantsRef. permian-rift-azurite
38mm·Automatic
—MSRP
—Used
Lucky Harvey Chiming Horse
Lucky Harveymicro

Chiming Horse

3 variantsRef. chiming-automaton-horse-watch-in-grade-5-titanium-alloy-blue-2026-collector-s-edition
39mm·Automatic
$2,399MSRP
—Used
Grand Seiko SBGH349
Grand Seiko
Heritage

SBGH349

Ref. sbgh349g
40mm·Automatic·100m WR
$7,800MSRP
—Used
Praesidus 42mm Automatic
Praesidusmicro
A-11 Tom RiceA-11

42mm Automatic

9 watches · 31 variantsA-11
38mm·Automatic·100m WR
$680MSRP
—Used
All alternatives to the T. G. Masaryk →All alternatives to the SBGR321 →
Explore the full catalog

Follow this matchup

Get a note when Biatec T. G. Masaryk vs Grand Seiko SBGR321 gets more votes, a community discussion, or a price drop. No account needed.

Adjacent matchups

People also compared

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

Feynman Timekeepers CoalescevsGrand Seiko SBGR321Maen Manhattan 37 IFL EditionvsGrand Seiko SBGR321Beaufort Permian RiftvsGrand Seiko SBGR321Lucky Harvey Chiming HorsevsGrand Seiko SBGR321Biatec T. G. MasarykvsanOrdain Model 2 PorcelainBiatec T. G. MasarykvsanOrdain Model 1
Edit this comparisonAdd another watchExplore more 39–41mm watches