Pulsar introduced the first digital LED watch in 1972, requiring a button press to show the time. Seiko acquired the brand in 1978, integrating it into their mid-range lineup.
At the Sony Dream World 2002 event, Sony showcased its first Blu-ray Disc recorder, featuring blue-violet laser technology for high-capacity storage, supporting 23.3GB, 25GB, or 27GB discs with a 36Mbps transfer rate.