Which is cheaper, the Biatec T. G. Masaryk or the Vaer D4 Outerknown Solar Diver?

At MSRP the Vaer D4 Outerknown Solar Diver is the cheaper of the two at $549, against $2,214 for the Biatec T. G. Masaryk — a $1,665 gap before any retailer discounting.

Which is bigger, the Biatec T. G. Masaryk or the Vaer D4 Outerknown Solar Diver?

The Biatec T. G. Masaryk wears larger at 40mm versus 39mm for the Vaer D4 Outerknown Solar Diver — a 1mm difference across the dial.

Which has better water resistance, the Biatec T. G. Masaryk or the Vaer D4 Outerknown Solar Diver?

The Vaer D4 Outerknown Solar Diver is rated to 200m versus 100m for the Biatec T. G. Masaryk.

Which has a longer power reserve, the Biatec T. G. Masaryk or the Vaer D4 Outerknown Solar Diver?

The Biatec T. G. Masaryk carries a 41-hour power reserve against 40 hours on the Vaer D4 Outerknown Solar Diver.

What movement does the Biatec T. G. Masaryk run compared to the Vaer D4 Outerknown Solar Diver?

The Biatec T. G. Masaryk runs a automatic caliber (Sellita SW200-1), while the Vaer D4 Outerknown Solar Diver runs a quartz.

Side by side

Biatec T. G. MasarykvsVaer D4 Outerknown Solar Diver

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

Add a watch

Biatec T. G. Masaryk

MSRP $2,214

Vaer D4 Outerknown Solar Diver

d4-outerknown-usa-solar-diver-marine

MSRP $549

At a glance

11 of 29 specs differ

Diameter

T. G. Masaryk40mm

D4 Outerknown Solar Diver39mm

Power Reserve

T. G. Masaryk41h

D4 Outerknown Solar Diver40h

Water Resistance

T. G. Masaryk100m

D4 Outerknown Solar Diver200m

MSRP

T. G. Masaryk$2,214

D4 Outerknown Solar Diver$549

Full specifications

Case

5 specs

Crystal & Dial

2 specs

Crystal

Sapphire

Domed Sapphire

Dial Color

Beige

Blue

Movement

3 specs

Caliber

Sellita SW200-1

—

Type

Automatic

Quartz

Power Reserve

41h

40h

Pricing

1 specs

MSRP

—

$549

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 Timekeepersmicro

Follow this matchup

Get a note when Biatec T. G. Masaryk vs Vaer D4 Outerknown Solar Diver 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 CoalescevsVaer D4 Outerknown Solar Diver Maen Manhattan 37 IFL EditionvsVaer D4 Outerknown Solar Diver Beaufort Permian RiftvsVaer D4 Outerknown Solar Diver Lucky Harvey Chiming HorsevsVaer D4 Outerknown Solar Diver Biatec T. G. MasarykvsYema Navygraf Marine Nationale Quartz Biatec T. G. MasarykvsIslander Saltaire 38mm Solar Dive Watch with Ink Black Dial #ISL-278

Edit this comparison Add another watch Explore more 38–41mm watches

Biatec T. G. MasarykvsVaer D4 Outerknown Solar Diver

At a glance

Full specifications

More watches worth a look

Coalesce

Navygraf Marine Nationale Quartz

Manhattan 37 IFL Edition

Islander Saltaire 38mm Solar Dive Watch with Ink Black Dial #ISL-278

Permian Rift

RANCD Quartz Divers Watch with Personalised Case Back

Chiming Horse

Diver 1

Follow this matchup

People also compared