This pattern has 120 rounds.

Kunststricken: Große und kleine Decken: Picture p 15, directions p 15, chart 20.

Source calls for size 200 white glossy crochet thread and size 0 needles (old German needle size) for an approx. diameter of 30cm/11.8”

Pattern chart is repeated 8x in the round for 120 rounds with an additional 3 rounds purled afterwards, and a 2 round crochet bind off.

Pgs 10-11 in Tricot Hogar. Suggested materials as listed above for an approx. diam. of 74 cm/29”.