PRIM calibre 66
Start of production:	1965
In the manufacture of:	1993
Movement type:	Mechanical with manual winding
Dimensions:	Diameter 25 mm, height 4,3 mm
Vibration:	18 000 vibrations per hour (2,5Hz)
Jewels:	17
Accuracy:
Power reserve:	0 hours
Display:	3 hands
Caliber function:	Basic time information
Technical description:	Variant: calibre 68 with data indicator

	PRIM calibre 80
Start of production:	1971
In the manufacture of:	1983
Movement type:	Mechanical with manual winding
Dimensions:	15,32 x 17,10 mm, height 3,55 mm
Vibration:	21 600 vibrations per hour (3Hz)
Jewels:	17
Accuracy:
Power reserve:	0 hours
Display:	2 hands
Caliber function:	Basic time information
Technical description:

	Calibre 50
Start of production:	1955
In the manufacture of:	1971
Movement type:	Mechanical
Dimensions:	Diameter 25 mm, height 4,4 mm
Vibration:	18 000 vibrations per hour (2,5Hz)
Jewels:	15
Accuracy:
Power reserve:	0 hours
Display:	3 hands
Caliber function:	Basic time information
Technical description:	Variantions: calibre 52 with date, calibre 55 with central sec. hand and calibre 57 with centr. s. h. a

	PRIM calibre 96
Start of production:	1978
In the manufacture of:	1989
Movement type:	Selfwinding mechanical
Dimensions:	Diameter 25,6 mm, height 6,7 mm
Vibration:	21 600 vibrations per hour (3Hz)
Jewels:	21
Accuracy:
Power reserve:	46 hours
Display:	3 hands
Caliber function:	Basic time information including date presentation
Technical description:	Variant: calibre 97 with double date indicator