Which is cheaper, the Sinn 103 St Ty Hd or the Zero West RAF-C (1940)?

At MSRP the Zero West RAF-C (1940) is the cheaper of the two at $2,750, against $2,797 for the Sinn 103 St Ty Hd — a $47 gap before any retailer discounting.

Which is bigger, the Sinn 103 St Ty Hd or the Zero West RAF-C (1940)?

The Zero West RAF-C (1940) wears larger at 44mm versus 41mm for the Sinn 103 St Ty Hd — a 3mm difference across the dial.

Which has better water resistance, the Sinn 103 St Ty Hd or the Zero West RAF-C (1940)?

The Sinn 103 St Ty Hd is rated to 200m versus 100m for the Zero West RAF-C (1940).

Which has a longer power reserve, the Sinn 103 St Ty Hd or the Zero West RAF-C (1940)?

The Sinn 103 St Ty Hd carries a 48-hour power reserve against 38 hours on the Zero West RAF-C (1940).

What movement does the Sinn 103 St Ty Hd run compared to the Zero West RAF-C (1940)?

Both watches run automatic movements — the Sinn 103 St Ty Hd uses the ETA 7750 and the Zero West RAF-C (1940) uses the ETA 2824.

Side by side

Sinn 103 St Ty HdvsZero West RAF-C (1940)

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

Add a watch

Sinn 103 St Ty Hd

103 St Ty Hd

MSRP $2,797

Zero West RAF-C (1940)

raf-c-1940-watch-zero-west

MSRP $2,750

At a glance

15 of 29 specs differ

Diameter

103 St Ty Hd41mm

RAF-C (1940)44mm

Power Reserve

103 St Ty Hd48h

RAF-C (1940)38h

Water Resistance

103 St Ty Hd200m

RAF-C (1940)100m

MSRP

103 St Ty Hd$2,797

RAF-C (1940)$2,750

Full specifications

Case

8 specs

Crystal & Dial

3 specs

Crystal Shape

—

Flat

AR Coating

—

Inner

Indices

—

Applied

Movement

3 specs

Caliber

ETA 7750

ETA 2824

Power Reserve

48h

38h

Jewels

Pricing

1 specs

MSRP

$2,797

$2,750

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Sinn 103 St Ty HdvsZero West RAF-C (1940)

At a glance

Full specifications

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