Side by side

Biatec T. G. MasarykvsOblvlo JM Earth

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
JM Earth
OblvloJM Earth
MSRP $228
Buy from Biatec ↗
Buy used on eBay ↗
Buy from Oblvlo ↗
Buy used on eBay ↗

At a glance

11 of 29 specs differ
Diameter
T. G. Masaryk40mm
JM Earth42mm
Power Reserve
T. G. Masaryk41h
JM Earth40h
Water Resistance
T. G. Masaryk100m
JM Earth50m
MSRP
T. G. Masaryk$2,214
JM Earth$228

Full specifications

Case

6 specs
Category
—
Sport
Diameter
40mm
42mm
Thickness
11.15mm
13mm
Lug-to-Lug
48mm
46mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
100m
50m

Crystal & Dial

2 specs
Dial Color
Beige
Black
Lume
None
Super-LumiNova

Movement

2 specs
Caliber
Sellita SW200-1
—
Power Reserve
41h
40h

Pricing

1 specs
MSRP
—
$228
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
Islander Islander Luminous Wave Dial Automatic Dive Watch with AR Double-Dome Sapphire Crystal, and Luminous Ceramic Bezel Insert #ISL-62
Islandermicro
Dive Watches Guide

Islander Luminous Wave Dial Automatic Dive Watch with AR Double-Dome Sapphire Crystal, and Luminous Ceramic Bezel Insert #ISL-62

7 watches · 7 variantsDive Watches Guide
42mm·Automatic·200m WR
$420MSRP
—Used
Maen Manhattan 37 IFL Edition
Maenmicro

Manhattan 37 IFL Edition

8 watches · 30 variantsManhattan
37mm·Automatic·100m WR
$1,199MSRP
—Used
Ikepod Megapod x Tom Christopher Hand Painted
Ikepodmicro

Megapod x Tom Christopher Hand Painted

12 variantsUnique
44mm·Automatic·100m WR
$6,858MSRP
—Used
Beaufort Permian Rift
Beaufortmicro

Permian Rift

4 variantsRef. permian-rift-azurite
38mm·Automatic
—MSRP
—Used
CIGA Design GILDED AGE
CIGA Designmicro

GILDED AGE

43/46mm
Ref. ciga-design-mechanical-watch-series-u-blue-planet-gilding-version
43/46mm·Automatic
$1,999MSRP
—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
Lucky Harvey Rose Gold Owl
Lucky Harveymicro

Rose Gold Owl

2 variantsRef. owl-automatic-watch-rose-gold-luminous-dial
43mm·Automatic
$1,099MSRP
—Used
All alternatives to the T. G. Masaryk →All alternatives to the JM Earth →
Explore the full catalog

Follow this matchup

Get a note when Biatec T. G. Masaryk vs Oblvlo JM Earth 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 CoalescevsOblvlo JM EarthOblvlo JM EarthvsMaen Manhattan 37 IFL EditionBeaufort Permian RiftvsOblvlo JM EarthOblvlo JM EarthvsLucky Harvey Chiming HorseBiatec T. G. MasarykvsIslander Luminous Wave Dial Automatic Dive Watch with AR Double-Dome Sapphire Crystal, and Luminous Ceramic Bezel Insert #ISL-62Ikepod Megapod x Tom Christopher Hand PaintedvsBiatec T. G. Masaryk
Edit this comparisonAdd another watchExplore more 39–43mm watches