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New LED watches needed!

Discussion on MODERN LED, LCD, OLED and E-INK watches
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SASM

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New LED watches needed!

Post18 Oct 2020, 13:08

After the development of my first #HGWC driver watch in 2014 I took a 6 year break to buy a house and have a child. Now it´s time for something new again and I recently started with the production of two other new LED watches: A new Synchronar Mark VI and a pseudo-analog LED like the Rolex FAN which never went in production. Both watches will have similarities with their vintage models but in the end are complete new contructions with different cases and of course quite a few new ideas.

Actually I am producing the first parts and I am working on the SASM62 module for the new FAN. That´s a new challenge as I have to use even tinier components. The smalles component which I´ve soldered so far are the transistors on the SASM54 module: Such a transistor has three pads and comes in 0201 package. This means that it is 0,6 x 0,3 mm² so you have to be very careful to not causing shorts when soldering.

The FAN module will have plenty of such components. Moreover I am planning to use vintage Monsanto MAN68 LED displays from 1978 to have a date feature. You just cannot compare these extra nice fine-line displays to the new shabby back lit "LED" displays which are on the market now. As always I try to manufacture as many parts as possible on my own machines. I am not sure when I can sell the first watches, but I am planning for Dec. 2021.

Hanno.
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holly35

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Re: New LED watches needed!

Post18 Oct 2020, 15:13

Photos please .....
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ronaldheld

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Re: New LED watches needed!

Post19 Oct 2020, 12:08

That is a good suggestion.
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Caruso

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Re: New LED watches needed!

Post24 Oct 2020, 20:47

I think both these are a good idea, there is a trend for new LED watches in the market.

My synchronar hasn't worked for many years.

Is the Rolex one like this?

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Check out my vintage digital channel on YouTube:
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ronaldheld

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Re: New LED watches needed!

Post24 Oct 2020, 21:26

ronaldheld wrote:That is a good suggestion.

That would be helpful.
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SASM

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Re: New LED watches needed!

Post26 Oct 2020, 16:20

Yes, the watch is a bit like the Rolex Fan but with a different case and of course another dial. I cannot (and wouldn´t) post pictures as the prototypes are not finished yet. Same for the Synchronars. Got the first test solar cells but are not satisfied yet.

Actually I am doing the layout of the "FAN"- module. Everything is so tiny and I have problems to place the circuit on a double sided board. Case diameter will be 38mm.

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