Which is cheaper, the Biatec T. G. Masaryk or the Seiko Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch?

At MSRP the Biatec T. G. Masaryk is the cheaper of the two at $2,214, against $2,800 for the Seiko Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch — a $586 gap before any retailer discounting.

Which is bigger, the Biatec T. G. Masaryk or the Seiko Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch?

The Biatec T. G. Masaryk wears larger at 40mm versus 39.5mm for the Seiko Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch — a 0.5mm difference across the dial.

Which has better water resistance, the Biatec T. G. Masaryk or the Seiko Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch?

The Seiko Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch 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 Seiko Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch?

The Seiko Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch carries a 45-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 Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch?

Both watches run automatic movements — the Biatec T. G. Masaryk uses the Sellita SW200-1 and the Seiko Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch uses the 6L37.

Side by side

Biatec T. G. MasarykvsSeiko Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch

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

Seiko Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch

sje117j1

MSRP $2,800

At a glance

14 of 29 specs differ

Diameter

T. G. Masaryk40mm

Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch39.5mm

Power Reserve

T. G. Masaryk41h

Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch45h

Water Resistance

T. G. Masaryk100m

Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch200m

MSRP

T. G. Masaryk$2,214

Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch$2,800

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, index(es) and bezel

Movement

3 specs

Caliber

Sellita SW200-1

6L37

Power Reserve

41h

45h

Jewels

Pricing

1 specs

MSRP

—

$2,800

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Biatec T. G. MasarykvsSeiko Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch

At a glance

Full specifications

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