Which is cheaper, the Sinn 103 St Ty Hd or the Seaholm Flats Chronograph?

At MSRP the Sinn 103 St Ty Hd is the cheaper of the two at $2,797, against $3,495 for the Seaholm Flats Chronograph — a $698 gap before any retailer discounting.

Which has a longer power reserve, the Sinn 103 St Ty Hd or the Seaholm Flats Chronograph?

The Sinn 103 St Ty Hd carries a 48-hour power reserve against 42 hours on the Seaholm Flats Chronograph.

What movement does the Sinn 103 St Ty Hd run compared to the Seaholm Flats Chronograph?

Both watches run automatic movements — the Sinn 103 St Ty Hd uses the Valjoux 7750 and the Seaholm Flats Chronograph uses the ETA 2894-2.

Side by side

Sinn 103 St Ty HdvsSeaholm Flats Chronograph

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

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Sinn 103 St Ty Hd

103 St Ty Hd

MSRP $2,797

See the full 103 St Ty Hd

Seaholm Flats Chronograph

flats-chronograph-watch-tan

MSRP $3,495

See the full Flats Chronograph

At a glance

13 of 29 specs differ

Diameter

103 St Ty Hd41mm

Flats Chronograph41mm

Power Reserve

103 St Ty Hd48h

Flats Chronograph42h

Water Resistance

103 St Ty Hd200m

Flats Chronograph200m

MSRP

103 St Ty Hd$2,797

Flats Chronograph$3,495

Full specifications

Case

5 specs

Crystal & Dial

4 specs

Crystal Shape

—

Flat

AR Coating

—

Inner

Dial Color

Black

Tan

Indices

—

Applied

Movement

3 specs

Caliber

Valjoux 7750

ETA 2894-2

Power Reserve

48h

42h

Jewels

Pricing

1 specs

MSRP

$2,797

$3,495

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Sinn 103 St Ty HdvsSeaholm Flats Chronograph

At a glance

Full specifications

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