Which is bigger, the Biatec T. G. Masaryk or the Selten Spiral?

The Biatec T. G. Masaryk wears larger at 40mm versus 39mm for the Selten Spiral — a 1mm difference across the dial.

Which has better water resistance, the Biatec T. G. Masaryk or the Selten Spiral?

The Biatec T. G. Masaryk is rated to 100m versus 50m for the Selten Spiral.

What movement does the Biatec T. G. Masaryk run compared to the Selten Spiral?

Both watches run automatic movements — the Biatec T. G. Masaryk uses the Sellita SW200-1 and the Selten Spiral uses the Swiss Soprod M100.

Side by side

Biatec T. G. MasarykvsSelten Spiral

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

Selten Spiral

grand-feu-enamel-spiral-moonstone

At a glance

9 of 29 specs differ

Diameter

T. G. Masaryk40mm

Spiral39mm

Power Reserve

T. G. Masaryk41h

Spiral—

Water Resistance

T. G. Masaryk100m

Spiral50m

MSRP

T. G. Masaryk$2,214

Spiral—

Full specifications

Case

5 specs

Diameter

40mm

39mm

Thickness

11.15mm

10.9mm

Lug-to-Lug

48mm

45.5mm

Material

316L Stainless Steel

Stainless Steel

Water Resistance

100m

50m

Crystal & Dial

1 specs

Dial Color

Beige

—

Movement

2 specs

Caliber

Sellita SW200-1

Swiss Soprod M100

Power Reserve

41h

—

Pricing

1 specs

MSRP

—

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Biatec T. G. MasarykvsSelten Spiral

At a glance

Full specifications

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