“Luch” quartz wristwatch IC die-shot @Zeptobars

Infamous microchip photographer and investigator Zeptobars has posted a newly decapped die shot.

Inside old (199x) Belorussian wristwatch I’ve found this IC.

Taking a look at quartz – tuning fork cut at XY plane:

Check out even closer shots of the quartz tuner on the Zeptobars blog.