Which is cheaper, the Biatec T. G. Masaryk or the Seiko King Seiko KSK?

At MSRP the Seiko King Seiko KSK is the cheaper of the two at $2,000, against $2,214 for the Biatec T. G. Masaryk — a $214 gap before any retailer discounting.

Which is bigger, the Biatec T. G. Masaryk or the Seiko King Seiko KSK?

The Biatec T. G. Masaryk wears larger at 40mm versus 38.3mm for the Seiko King Seiko KSK — a 1.7mm difference across the dial.

Which has better water resistance, the Biatec T. G. Masaryk or the Seiko King Seiko KSK?

The Biatec T. G. Masaryk is rated to 100m versus 10m for the Seiko King Seiko KSK.

Which has a longer power reserve, the Biatec T. G. Masaryk or the Seiko King Seiko KSK?

The Seiko King Seiko KSK carries a 72-hour power reserve against 41 hours on the Biatec T. G. Masaryk.

What movement does the Biatec T. G. Masaryk run compared to the Seiko King Seiko KSK?

Both watches run automatic movements — the Biatec T. G. Masaryk uses the Sellita SW200-1 and the Seiko King Seiko KSK uses the 6R55.

Side by side

Biatec T. G. MasarykvsSeiko King Seiko KSK

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

Seiko King Seiko KSK

spb387j1

MSRP $2,000

At a glance

14 of 29 specs differ

Diameter

T. G. Masaryk40mm

King Seiko KSK38.3mm

Power Reserve

T. G. Masaryk41h

King Seiko KSK72h

Water Resistance

T. G. Masaryk100m

King Seiko KSK100m

MSRP

T. G. Masaryk$2,214

King Seiko KSK$2,000

Full specifications

Case

6 specs

Crystal & Dial

4 specs

Crystal Shape

Flat

Box

AR Coating

Inner

Anti-reflective coating on inner surface

Dial Color

Beige

Black

Lume

None

LumiBrite on Hands

Movement

3 specs

Caliber

Sellita SW200-1

6R55

Power Reserve

41h

72h

Jewels

Pricing

1 specs

MSRP

—

$2,000

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Biatec T. G. MasarykvsSeiko King Seiko KSK

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