Which is cheaper, the Biatec T. G. Masaryk or the Serket Watch Co Reef?

At MSRP the Serket Watch Co Reef is the cheaper of the two at $899, against $2,214 for the Biatec T. G. Masaryk — a $1,315 gap before any retailer discounting.

Which is bigger, the Biatec T. G. Masaryk or the Serket Watch Co Reef?

The Serket Watch Co Reef wears larger at 46mm versus 40mm for the Biatec T. G. Masaryk — a 6mm difference across the dial.

Which has better water resistance, the Biatec T. G. Masaryk or the Serket Watch Co Reef?

The Serket Watch Co Reef 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 Serket Watch Co Reef?

The Biatec T. G. Masaryk carries a 41-hour power reserve against 38 hours on the Serket Watch Co Reef.

Side by side

Biatec T. G. MasarykvsSerket Watch Co Reef

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

MSRP $2,214

MSRP $899

Buy from Serket Watch Co ↗

Buy used on eBay ↗

At a glance

9 of 29 specs differ

Diameter

T. G. Masaryk40mm

Reef46mm

Power Reserve

T. G. Masaryk41h

Reef38h

Water Resistance

T. G. Masaryk100m

Reef300m

MSRP

T. G. Masaryk$2,214

Reef$899

Full specifications

Case

6 specs

Diameter

40mm

46mm

Thickness

11.15mm

14mm

Lug-to-Lug

48mm

52mm

Lug Width

20mm

24mm

Material

316L Stainless Steel

Stainless Steel

Water Resistance

100m

300m

Crystal & Dial

1 specs

Dial Color

Beige

Black

Movement

1 specs

Power Reserve

41h

38h

Pricing

1 specs

MSRP

—

$899

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Feynman Timekeepersmicro

Follow this matchup

Get a note when Biatec T. G. Masaryk vs Serket Watch Co Reef gets more votes, a community discussion, or a price drop. No account needed.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.

Feynman Timekeepers CoalescevsSerket Watch Co Reef Maen Manhattan 37 IFL EditionvsSerket Watch Co Reef Beaufort Permian RiftvsSerket Watch Co Reef Lucky Harvey Chiming HorsevsSerket Watch Co Reef Biatec T. G. MasarykvsCWC (Cabot Watch Company) Arctic Radar Automatic Diver Watch Biatec T. G. MasarykvsCWC (Cabot Watch Company) Mutineer Automatic Divers Watch

Edit this comparison Add another watch Explore more 39–47mm watches

Biatec T. G. MasarykvsSerket Watch Co Reef

At a glance

Full specifications

More watches worth a look

Coalesce

Arctic Radar Automatic Diver Watch

Manhattan 37 IFL Edition

Mutineer Automatic Divers Watch

Permian Rift

Chiming Horse

Leviathan L

42mm Automatic

Follow this matchup

People also compared