Which is bigger, the Biatec T. G. Masaryk or the Synchron Poseidon?

The Synchron Poseidon wears larger at 41mm versus 40mm for the Biatec T. G. Masaryk — a 1mm difference across the dial.

Which has better water resistance, the Biatec T. G. Masaryk or the Synchron Poseidon?

The Synchron Poseidon is rated to 300m versus 100m for the Biatec T. G. Masaryk.

Which has a longer power reserve, the Biatec T. G. Masaryk or the Synchron Poseidon?

The Synchron Poseidon carries a 68-hour power reserve against 41 hours on the Biatec T. G. Masaryk.

What movement does the Biatec T. G. Masaryk run compared to the Synchron Poseidon?

Both watches run automatic movements — the Biatec T. G. Masaryk uses the Sellita SW200-1 and the Synchron Poseidon uses the La Joux-Perret G100.

Side by side

Biatec T. G. MasarykvsSynchron Poseidon

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

MSRP $2,214

At a glance

10 of 29 specs differ

Diameter

T. G. Masaryk40mm

Poseidon41mm

Power Reserve

T. G. Masaryk41h

Poseidon68h

Water Resistance

T. G. Masaryk100m

Poseidon300m

MSRP

T. G. Masaryk$2,214

Poseidon—

Full specifications

Case

6 specs

Diameter

40mm

41mm

Thickness

11.15mm

11.9mm

Lug-to-Lug

48mm

45mm

Lug Width

20mm

Material

316L Stainless Steel

Titanium

Water Resistance

100m

300m

Crystal & Dial

1 specs

Dial Color

Beige

Sunshine Yellow

Movement

2 specs

Caliber

Sellita SW200-1

La Joux-Perret G100

Power Reserve

41h

68h

Pricing

1 specs

MSRP

—

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Biatec T. G. MasarykvsSynchron Poseidon

At a glance

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