Which is cheaper, the Biatec T. G. Masaryk or the Seestern Sub 300 V4?

At MSRP the Seestern Sub 300 V4 is the cheaper of the two at $10, against $2,214 for the Biatec T. G. Masaryk — a $2,204 gap before any retailer discounting.

Which is bigger, the Biatec T. G. Masaryk or the Seestern Sub 300 V4?

The Seestern Sub 300 V4 wears larger at 42mm versus 40mm for the Biatec T. G. Masaryk — a 2mm difference across the dial.

Which has better water resistance, the Biatec T. G. Masaryk or the Seestern Sub 300 V4?

The Seestern Sub 300 V4 is rated to 200m versus 100m for the Biatec T. G. Masaryk.

What movement does the Biatec T. G. Masaryk run compared to the Seestern Sub 300 V4?

Both watches run automatic movements — the Biatec T. G. Masaryk uses the Sellita SW200-1 and the Seestern Sub 300 V4 uses the Seiko NH35A.

Side by side

Biatec T. G. MasarykvsSeestern Sub 300 V4

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

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Biatec T. G. Masaryk

MSRP $2,214

Seestern Sub 300 V4

Sub 300 V4

MSRP $10

At a glance

15 of 29 specs differ

Diameter

T. G. Masaryk40mm

Sub 300 V442mm

Power Reserve

T. G. Masaryk41h

Sub 300 V441h

Water Resistance

T. G. Masaryk100m

Sub 300 V4200m

MSRP

T. G. Masaryk$2,214

Sub 300 V4$10

Full specifications

Case

7 specs

Crystal & Dial

3 specs

AR Coating

Inner

Underside

Dial Color

Beige

Orange

Lume

None

Japan Lume (blue glow)

Movement

4 specs

Caliber

Sellita SW200-1

Seiko NH35A

Beat Rate

28,800 vph

21,600 vph

Jewels

Complications

None

GMT, Date

Pricing

1 specs

MSRP

—

$10

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Biatec T. G. MasarykvsSeestern Sub 300 V4

At a glance

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