ETA Caliber 955.652

Manufacturer	ETA Flatline
Caliber Number	955.652, 955652
Replaces	555.115, 955.114
Lignes	11.5”’
Diameter	25.6mm
Height	2.5mm (4.5mm with battery)
Jewels	7
Frequency	32,768 Hz
Battery Cell Number	CR2016
Estimated Battery Span	180 months
Low Battery Indicator?	Yes
Stem	Unknown (please add in comments below)
Hand Sizes	Unknown (please add in comments below)
Functions	Central hours; central minutes; central seconds; date at 3:00 or 6:00
Country of Manufacture	Switzerland, Swiss made (V8)
Known Models	Breitling Starliner, Breitling Colt Oceane, Breitling Skyracer, Sinn UX (add yours in the comments below)

The ETA caliber 955.652 is a thermocompensated superquartz movement. It is said to have accuracy within +/- 10 seconds per year. It is a high-end brass movement with a gold plated finish.

Although this caliber is often listed as being “Thermoline,” ETA now lists it as “Flatline” on their site.

The caliber 955.652 began production in 2004.

Additional Resources:

• Caliber 955.652 official tech sheets