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Heuer Cal 107

Heuer Caliber 107

Heuer Cal 107

Manufacturer Heuer
Caliber Number 107
Type Quartz
Battery Cell Number 361/362 (SR721SW)
Jewels 0
Functions Time, date, day, chronograph, split chrono
Country of Manufacture Switzerland
Known Models
Heuer Senator GMT

The Heuer caliber 107 is a digital quartz movement with 0 jewels. This caliber was used in Heuer Senator GMT watches produced between 1979 – 1982.

Setting the Time

To set the time on the caliber 107, there is a pusher located on the side of the case.

Swiss Made?

While it is possible that the chip used in the caliber 107 was sourced in the United States (Integrated Display Systems aka IDS), the chip was most likely produced by Heuer Micro-Technik in Switzerland, a division that was launched in 1977.


This movement is no longer being produced. As a result, many Heuer Senator GMT watches are being sold with the analog dial working but the LCD dial non-functioning. If you find one with a working digital movement, definitely consider acquiring it.

Please discuss your experience with the Heuer caliber 107 in the comments below…

Heuer Caliber 107 Heuer Caliber 107 Movement Heuer Caliber 107 Battery Heuer Caliber 107 Digital

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