Which is cheaper, the Sinn 243 TW 66 WG Mother-of-pearl W or the Hemel HD24 Automatic?

At MSRP the Hemel HD24 Automatic is the cheaper of the two at $300, against $6,102 for the Sinn 243 TW 66 WG Mother-of-pearl W — a $5,802 gap before any retailer discounting.

Which is bigger, the Sinn 243 TW 66 WG Mother-of-pearl W or the Hemel HD24 Automatic?

The Hemel HD24 Automatic wears larger at 40mm versus 33mm for the Sinn 243 TW 66 WG Mother-of-pearl W — a 7mm difference across the dial.

Which has better water resistance, the Sinn 243 TW 66 WG Mother-of-pearl W or the Hemel HD24 Automatic?

The Hemel HD24 Automatic is rated to 200m versus 100m for the Sinn 243 TW 66 WG Mother-of-pearl W.

Which has a longer power reserve, the Sinn 243 TW 66 WG Mother-of-pearl W or the Hemel HD24 Automatic?

The Hemel HD24 Automatic carries a 40-hour power reserve against 38 hours on the Sinn 243 TW 66 WG Mother-of-pearl W.

What movement does the Sinn 243 TW 66 WG Mother-of-pearl W run compared to the Hemel HD24 Automatic?

Both watches run automatic movements — the Sinn 243 TW 66 WG Mother-of-pearl W uses the ETA 2671 and the Hemel HD24 Automatic uses the Seiko NH38A.

Side by side

Sinn 243 TW 66 WG Mother-of-pearl WvsHemel HD24 Automatic

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

Sinn 243 TW 66 WG Mother-of-pearl W

243 TW 66 WG Mother-of-pearl W

MSRP $6,102

Hemel HD24 Automatic

the-gallant

MSRP $300

At a glance

18 of 29 specs differ

Diameter

243 TW 66 WG Mother-of-pearl W33mm

HD24 Automatic40mm

Power Reserve

243 TW 66 WG Mother-of-pearl W38h

HD24 Automatic40h

Water Resistance

243 TW 66 WG Mother-of-pearl W100m

HD24 Automatic200m

MSRP

243 TW 66 WG Mother-of-pearl W$6,102

HD24 Automatic$300

Full specifications

Case

9 specs

Crystal & Dial

5 specs

Crystal

Sapphire

Domed Sapphire

Crystal Shape

—

Flat

AR Coating

Underside

Inner

Dial Color

White

Gallant USAF Edition

Lume

Luminescent

None

Movement

3 specs

Caliber

ETA 2671

Seiko NH38A

Power Reserve

38h

40h

Complications

Date

None

Pricing

1 specs

MSRP

$6,102

$300

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