Which is cheaper, the Sinn 105 St Sa UTC or the Hemel HFC Mechanical Chronograph?

At MSRP the Hemel HFC Mechanical Chronograph is the cheaper of the two at $550, against $1,998 for the Sinn 105 St Sa UTC — a $1,448 gap before any retailer discounting.

Which is bigger, the Sinn 105 St Sa UTC or the Hemel HFC Mechanical Chronograph?

The Sinn 105 St Sa UTC wears larger at 41mm versus 40mm for the Hemel HFC Mechanical Chronograph — a 1mm difference across the dial.

Which has better water resistance, the Sinn 105 St Sa UTC or the Hemel HFC Mechanical Chronograph?

The Sinn 105 St Sa UTC is rated to 200m versus 100m for the Hemel HFC Mechanical Chronograph.

Which has a longer power reserve, the Sinn 105 St Sa UTC or the Hemel HFC Mechanical Chronograph?

The Hemel HFC Mechanical Chronograph carries a 40-hour power reserve against 38 hours on the Sinn 105 St Sa UTC.

What movement does the Sinn 105 St Sa UTC run compared to the Hemel HFC Mechanical Chronograph?

The Sinn 105 St Sa UTC runs a automatic caliber (SW 330-2), while the Hemel HFC Mechanical Chronograph runs a manual (Seagull ST19).

Side by side

Sinn 105 St Sa UTCvsHemel HFC Mechanical Chronograph

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

Sinn 105 St Sa UTC

105 St Sa UTC

MSRP $1,998

Hemel HFC Mechanical Chronograph

the-airfoil

MSRP $550

At a glance

19 of 29 specs differ

Diameter

105 St Sa UTC41mm

HFC Mechanical Chronograph40mm

Power Reserve

105 St Sa UTC38h

HFC Mechanical Chronograph40h

Water Resistance

105 St Sa UTC200m

HFC Mechanical Chronograph100m

MSRP

105 St Sa UTC$1,998

HFC Mechanical Chronograph$550

Full specifications

Case

8 specs

Crystal & Dial

6 specs

Crystal

Sapphire

Domed Sapphire

Crystal Shape

—

Flat

AR Coating

Underside

Inner

Dial Color

Black

Airfoil (1970s British Pilot)

Indices

—

Applied

Lume

Luminescent

None

Movement

4 specs

Caliber

SW 330-2

Seagull ST19

Type

Automatic

Manual

Power Reserve

38h

40h

Complications

Date, GMT

None

Pricing

1 specs

MSRP

$1,998

$550

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Sinn 105 St Sa UTCvsHemel HFC Mechanical Chronograph

At a glance

Full specifications

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