Top Grade Manual Wind

Base movement:

Swiss Made ETA Unitas 6498-2

Diameter 37.2 mm

Height 4.5 mm

Manul wind

Hour, minute and small second

21.600 A/h beats per hour

17 Jewels

60 h power reserve

ETACHRON

Incabloc anti shock proof

GLUCYDUR Chronometer balance

Our in-house modifications:

Skeletonized bridges

beveled and polished edges

Blued screws

Blued swan neck fine adjustment

Double Sunburst on winding wheels

Pearl decoration on escapement bridge

Peral decoration completely on main plate

Round-cut (Cotes de Circulaires) on movement bridges

Rhodium plated or Rose gold plated

Fine adjusted in 5 positions

Accuracy bewteen -2/+8 seconds per day (after movement encased)

The rough movement

The ETA Unitas 6498-2

We use the ETA Unitas 6498-2 as a base. The raw movement is elaborately modified and decorated in our own manufactory. This movement was originally a pocket watch movement and was constructed around 1960. Since then it has been steadily improved. We chose this movement because it has been perfected over the years and because any watchmaker can easily repair it. The service costs are significantly cheaper compared to a manufacture movement.

Our TOP GRADE movement

Rhodium plated

This is what the movement looks like after we have modified and decorated it. There is a lot of manual work involved. This is the rhodium-plated version, for example.

The fine adjustment

Our movement runs extremely precisely. It is adjusted in 5 positions. The average rate deviation is between -2/+8 seconds per day (measured after casing). These top rates are only possible thanks to the Glucydur Chronometer balance and the swan-neck fine adjustment.

Encased in a 40 mm watch case

The 37 mm movement looks particularly beautiful in our 40 mm case. The movement completely fills the watch.

Encased in a 43 mm watch case

The movement looks also beautiful in our 43 mm case. Due to the flat design of the case, the movement comes into its own.

Encased in a rosé gold plated watch case

The movement looks beautiful in our rose gold-plated watch case. It makes a nice contrast.

Encased in a 45 mm watch case

Even in our 45mm watch case, the movement still looks great, given its size.

Extra blued and skeletonized wheels

For a extra charge of + 150.00 Euros, we can install also blued and skeletonized winding wheels.

Hand engraved

For a extra charge of + 1,500.00 Euros, we can also engrave our Top Grade movement completely by hand. This is how real unique pieces and masterpieces are created. We are happy to carry out the engravings according to your wishes.

Double Sunburst Wheels

The winding wheels are finished with a double sunburst.

Encased

The hand-engraved top-grade movement is just gorgeous to look at through the sapphire crystal case back.

Rosé gold plated and hand engraved

The rose gold-plated and hand-engraved variant of our movement is particularly popular. With this model, the bridges are not skeletonized in order to have more space left for hand engravings.

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© Tourby Watches, Königstr. 78, 58300 Wetter an der Ruhr (Hagen in Westfalen), GERMANY, Phone: +4917683118382, Email: info@tourbywatches.com, VAT ID.: DE257988547

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