Junghans Mega

Junghans Mega is the world's first radio-controlled wristwatch with hands. It was made in 1991 by the German watchmaker Junghans.

Description

Radio clock wrist watch MEGA
Antenna built into the strap to receive radio time signals.

The watch has a part gold-plated steel case. It has a white face with two gold hands and a rectangular LCD. It is protected by a circular, scratch-resistant glass. The brown leather band holds the antenna for getting time signals. The watch is equipped with time zone adjustment, a calendar (day, date, month), digital seconds, internal time memory, signal reception indicator and a transmitter call button.

Technical Specifications

The MEGA has a radio receiver and wrist antenna for getting time signals on 77.5 kHz (longwave).

The watch syncs with the time signal at 2:00 and 3:00 AM. If there are problems, it tries again every hour until 6:00 AM. The Junghans MEGA is accurate to 1 second in 1 million years.

The watch has a w605 quartz movement with a 32 kHz base. It uses a 3V lithium battery.

History

In 1985, Junghans made the first radio-controlled desk clock.

In 1990, Junghans made the technology smaller to fit the digital wristwatch MEGA 1. In 1991, they made the analog version MEGA with hands.

References

  1. ↑ "Neuheiten-Katalog 1991/92, Junghans Uhren GmbH" (PDF). junghansarchiv.de. JUNGHANS. Archived from the original (PDF) on 18 February 2022. Retrieved 25 January 2023.
  2. 1 2 3 Radio-controlled wrist watch (operating manual). Schramberg: JUNGHANS UHREN GmbH. 1991. pp. 22–30. 42.712-0226/0591.
  3. ↑ "Mega 1". The Royal Museums Greenwich. Retrieved 26 January 2023.