Feb 12, 2022 · Cal. A05 is an automatic chronograph movement produced by ETA for Rado and Tissot based on the popular Valjoux 7750 design. The 7750 is derived from the manually-wound Valjoux 7733 chronograph movement, itself a descendent of the Venus 188, a company Valjoux purchased in 1966.

The ETA A05.H31 is an adaptation of the Valjoux 7753 movement. Full details and images of the ETA caliber A05.H31, including a list of all watches using this movement.

Discover the F05.841 and F05.441 calibres. Two entry-level quartz movements daring to democratise the moon phase function. Through their skills, passion and commitment, our employees make a major contribution to the success of the Swiss Made watches, movements and components produced by ETA.

ETA SA is the largest consortium of Swiss watchmakers. It is a subsidiary of The Swatch Group. It sells millions of movements every year.

Manufacturer ETA/Valjoux Caliber Number A05.H31 Base Caliber ETA 7753 Movement Type Automatic, self-winding mechanical, chronograph Lignes 13.25”’ Diameter 30mm Height...

The ETA/Valjoux caliber A05.231 is an automatic bi-compax chronograph with 29 jewels. In July 2022, Swatch Group made an announcement that the Tissot Telemeter 1938 would be powered by the ETA/Valjoux caliber A05.231.

No Base Caliber ETA A05.291, A05291 (based on ETA/Valjoux 7753) Movement Type Mechanical,...

Discover the complete collection of ETA calibers at Ranfft.org. Find detailed specifications and features of each ETA caliber for watch enthusiasts and watchmaking professionals.

Find more information on replacement genuine ETA watch parts that your jeweler will need when working on ETA watch movements.

Here you can find the list of calibres manufactured by ETA. Please click on the calibre number to view more details about the movement and spares available. Please reach out to me by email if you are unable to find the info about any specific calibre.