Which is cheaper, the Biatec T. G. Masaryk or the Zelos Steel Blue (sellita)?

At MSRP the Zelos Steel Blue (sellita) is the cheaper of the two at $629, against $2,214 for the Biatec T. G. Masaryk — a $1,585 gap before any retailer discounting.

Which is bigger, the Biatec T. G. Masaryk or the Zelos Steel Blue (sellita)?

The Biatec T. G. Masaryk wears larger at 40mm versus 39mm for the Zelos Steel Blue (sellita) — a 1mm difference across the dial.

Which has better water resistance, the Biatec T. G. Masaryk or the Zelos Steel Blue (sellita)?

The Biatec T. G. Masaryk is rated to 100m versus 50m for the Zelos Steel Blue (sellita).

Which has a longer power reserve, the Biatec T. G. Masaryk or the Zelos Steel Blue (sellita)?

The Biatec T. G. Masaryk carries a 41-hour power reserve against 40 hours on the Zelos Steel Blue (sellita).

What movement does the Biatec T. G. Masaryk run compared to the Zelos Steel Blue (sellita)?

The Biatec T. G. Masaryk runs a automatic caliber (Sellita SW200-1), while the Zelos Steel Blue (sellita) runs a manual (ETA/Peseux 7001).

Side by side

Biatec T. G. MasarykvsZelos Steel Blue (sellita)

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

Zelos Steel Blue (sellita)

comet-39mm-steel-blue

MSRP $629

At a glance

11 of 29 specs differ

Diameter

T. G. Masaryk40mm

Steel Blue (sellita)39mm

Power Reserve

T. G. Masaryk41h

Steel Blue (sellita)40h

Water Resistance

T. G. Masaryk100m

Steel Blue (sellita)50m

MSRP

T. G. Masaryk$2,214

Steel Blue (sellita)$629

Full specifications

Case

5 specs

Crystal & Dial

2 specs

Crystal

Sapphire

Domed Sapphire

Dial Color

Beige

Steel Blue (Sellita)

Movement

3 specs

Caliber

Sellita SW200-1

ETA/Peseux 7001

Type

Automatic

Manual

Power Reserve

41h

40h

Pricing

1 specs

MSRP

—

$629

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Biatec T. G. MasarykvsZelos Steel Blue (sellita)

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