Top Grade Automatic

Every Tourby automatic watch comes with an TOP GRADE movement. The TOP GRADE movements are nicely decorated and has the highest possible quality (Chronometer)


Base Movement

Swiss Made ETA 2824-2

Diameter 25.6 mm

Height 4.6 mm

28.800 A/h beats per hour

4 Hz

25 Jewels


Power reserve 42 h

Hour, minute and center second

Date with quickset

Sweep second

Hacking second

self winding in both positions


Top Gade Upgrade

Genuine jewels (red ruby)

ANACHRON hair spring

Glucydur Chronometer balance

Adjusted in 5 positions

Cotes de Geneve

Perlage (pearl decoration)

Blued screws 

Rhodium plated

Accuracy between -1/+6 seconds per day (after movement encased)

If you prefer your automatic timepiece with an display caseback, we would recommend a additional hand decorated movement spacer for extra charge of +200.00 Euro.


Here STANDARD and TOP GRADE side by side:

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