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ETA caliber A07.161 Valgranges

ETA Valgranges Caliber A07.161

ETA caliber A07.161 Valgranges

Caliber NumberA07.161 Valgranges
Movement TypeAutomatic
Size 16 1/2”’ (36.60mm) x 7.90mm thick
Power Reserve48 hours
Vibrations Per Hour28,800, 4Hz
Shock SystemIncabloc
FeaturesHours, minutes, seconds, second time zone (GMT)
Hacking SecondsYes
Country of ManufactureSwitzerland
Known ModelsPorsche Design Worldtimer 6750

This example of the ETA Valgranges caliber A07.161 was found in a Porsche Design Worldtimer. Other watch sites state that this watch model is powered by an ETA Valgranges A 07 111 with Eterna module. However, the actual movement inside is stamped ETA A07.161 (A07.111 is the base).

“Its ETA Valgranges calibre A07.111 movement that was introduced in order to replace the ageing (and also iconic) ETA 775x family of chronograph calibers (and also to better suit modern “larger” wristwatches) is heavily modified by Eterna’s engineers and is hidden inside a huge case whole 45 millimeters in diameter and 16.8mm thick.” –worldwatchreview

According to the ETA site, the caliber A07.161 is equipped with “Regulator system ETACHRON with finetiming device.”

Other variations of this movement include:

  • A07.111 calibre: hours, minutes, seconds, date
  • A07.161 calibre: hours minutes, seconds, date, power reserve
  • A07.211 calibre: hours, minutes, seconds, date, chronograph
  • A07.171 calibre: hours, minutes, seconds, date, 24-hour hand, time zone

Watches with this movement:

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kenan akman
kenan akman
4 years ago

Sir or Madam,
I have Chopard Mille Miglia Grand Tourismo XL power reserve.I need machine for it.It ihas ETA A07.161 machine. And I also need clock-dial(face) can we find it also?
Kenan Akman

David Teece
David Teece
7 months ago

Also found in Christopher Ward C9 GT 40 circa 2015

Venus Caliber 178
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