SW 500

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Calibre SW 500
© Sellita

The Sellita SW500 is an automatic chronograph movement produced by Sellita. It is based on the popular Valjoux 7750 design, which Sellita has long produced along with ETA. In 2012, TAG Heuer began sourcing the SW500 as an alternative to the Valjoux 7750, naming both "Calibre 16".

Ebauche Variants

Description:

Automatic chronograph
Escapement: stone lever
Yoke winding system
Stop mechanism: Cam switching
Incabloc shock protection

Functions:

Hours, minutes
Small seconds at the 9
1/8-seconds counter, 30-minutes counter, 12-hours counter
Rapid calendar advance
Hacking seconds
Complications: 12-hours counter, day: quickset date feature

Data:

13¼ lignes
D 30.0 mm, H 7.9 mm
25 jewels
28,800 A/h
Power reserve 44h

Production period:

Since 2012