Which is cheaper, the Seestern S443 Column Wheel Chronograph or the TAG Heuer Formula 1 Senna?

At MSRP the Seestern S443 Column Wheel Chronograph is the cheaper of the two at $10, against $4,900 for the TAG Heuer Formula 1 Senna — a $4,890 gap before any retailer discounting.

Which is bigger, the Seestern S443 Column Wheel Chronograph or the TAG Heuer Formula 1 Senna?

The TAG Heuer Formula 1 Senna wears larger at 44mm versus 40mm for the Seestern S443 Column Wheel Chronograph — a 4mm difference across the dial.

Which has better water resistance, the Seestern S443 Column Wheel Chronograph or the TAG Heuer Formula 1 Senna?

The TAG Heuer Formula 1 Senna is rated to 200m versus 50m for the Seestern S443 Column Wheel Chronograph.

Which has a longer power reserve, the Seestern S443 Column Wheel Chronograph or the TAG Heuer Formula 1 Senna?

The TAG Heuer Formula 1 Senna carries a 48-hour power reserve against 45h hours on the Seestern S443 Column Wheel Chronograph.

What movement does the Seestern S443 Column Wheel Chronograph run compared to the TAG Heuer Formula 1 Senna?

The Seestern S443 Column Wheel Chronograph runs a manual caliber (Seagull ST1901), while the TAG Heuer Formula 1 Senna runs a automatic (Calibre 16 Automatic).

Side by side

Seestern S443 Column Wheel ChronographvsTAG Heuer Formula 1 Senna

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

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Seestern S443 Column Wheel Chronograph

S443.P

MSRP $10

TAG Heuer Formula 1 Senna

CAZ201D.BA0633

MSRP $4,900

At a glance

22 of 29 specs differ

Diameter

S443 Column Wheel Chronograph40mm

Formula 1 Senna44mm

Power Reserve

S443 Column Wheel Chronograph45hh

Formula 1 Senna48h

Water Resistance

S443 Column Wheel Chronograph50m

Formula 1 Senna200m

MSRP

S443 Column Wheel Chronograph$10

Formula 1 Senna$4,900

Full specifications

Case

9 specs

Crystal & Dial

6 specs

Crystal

Sapphire

—

Crystal Shape

Flat

—

AR Coating

Inner

—

Dial Color

Pink

Black

Indices

—

Lume

Super BGW9

None

Movement

6 specs

Caliber

Seagull ST1901

Calibre 16 Automatic

Type

Manual

Automatic

Beat Rate

3 vph

28,800 vph

Power Reserve

45hh

48h

Jewels

Complications

Chronograph, Column Wheel

Chronograph, Date

Pricing

1 specs

MSRP

$10

$4,900

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Seestern S443 Column Wheel ChronographvsTAG Heuer Formula 1 Senna

At a glance

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