Junghans Mega
Illustration — First analogue radio-controlled wristwatch worldwide, Junghans Mega, 1991 • Illustration — Wristband antenna of the Junghans Mega, designed to receive the DCF77 time signal transmitter The Junghans Mega was "the world's first radio-controlled wristwatch with hands" (analog watch) in 1991. It was produced by the German watchmaker Junghans, who had already introduced a digital radio clock called Mega 1 to the market in 1990.
Also recorded as Junghans Mega 2 · Model-Nr. 025/4103
Junghans Mega
J. Lunau · Own work, Private collection institution QS:P195,somevalue,P3831 · CC BY-SA 3.0
- Field
- analog watch · brand name · quartz clock
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Illustration — First analogue radio-controlled wristwatch worldwide, Junghans Mega, 1991 • Illustration — Wristband antenna of the Junghans Mega, designed to receive the DCF77 time signal transmitter The Junghans Mega was "the world's first radio-controlled wristwatch with hands" (analog watch) in 1991. It was produced by the German watchmaker Junghans, who had already introduced a digital radio clock called Mega 1 to the market in 1990.
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wikidata · Q61703243 · wikipedia · Junghans Mega
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Technical specifications
Technical specifications
"The Junghans MEGA watch receives long wave time telegrams (77.5 kHz) from the official German standard... time signal transmitter DCF77" with a wristband antenna. This allows for Europe-wide reception within a 1,500 km radius. The clock is synchronised daily with an atomic clock from the Physikalisch-Technische Bundesanstalt in order to display the official time in Germany as accurately as possible. A time synchronization with the transmitter is performed at 2:00 and 3:00 a.m. In case of reception issues, the synchronization is repeated every hour until 6:00 a.m. This ensures that the time accuracy is 1 second in 1 million years. The movement is a quartz mechanism of the w605 type with a quartz time base of 32 kHz and a light barrier for hand position control. The power supply comes from a lithium metal battery in the form of a button cell with 3V nominal voltage.
History
History
In 1985, Junghans introduced the first radio-controlled table clock to the market. By 1990, Junghans engineers had miniaturized this technology to fit into the case of the digital wristwatch MEGA 1. The following year, in 1991, Junghans launched the analog version MEGA with hands. In 1994, there was "another premiere: Junghans presented the first radio-controlled watch for women." In 2025, the Junghans watch factory still produces Mega radio-controlled watches.
Description
The Junghans MEGA has a stainless steel case with partial gold overlay. The white dial with two gold hands and a rectangular LCD display is protected by a circular, scratch-resistant mineral glass. The antenna for receiving the time signal from the DCF77 transmitter in Mainflingen is housed in a leather strap (brown or black) with a folding clasp. The watch is equipped with time zone setting, perpetual calendar (day of the week, date, month), digital second, internal time memory, reception control display, and transmitter call button.
Primary material
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reference work
- “Junghans Mega”, English Wikipedia, consulted as further reading
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authority record
- Wikidata, structured authority record Q61703243: Junghans Mega
Unverified · Wikidata
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Unverified
The Encyclopedia exists whether or not anything is for sale. Corrections are recorded rather than overwritten, and every version of this record is kept. Published 14 August 2026.
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