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A. Lange & Söhne: A watch service question.

Hello guys According to the information i know, ALS uses the untreated German silver for movement plates and bridges, German silver reacts very slowly when exposed to oxygen in the air and in the course of time, this alloy is coated with a beautiful golden-yellow patina that protects the material ag
10Y
By: riksuo
3

A. Lange & Söhne: Any news?

Hi foversta, any news about rubies issue? Thanks a lot
10Y
By: riksuo
1

A. Lange & Söhne: This is a mistake?

Hi foversta, base on your photos, this watch has 78 rubies since there is '78' on its 3/4 plate. Moreover, I looked at a classic zeitwerk last night, it does have 68 rubies. So, is there a mistake ? Thanks a lot
10Y
By: riksuo
1

A. Lange & Söhne: 78 Rubies?

Regular zeitwerk has 68 rubies in its movement, however, this one has 78. Anyone know what are 10 more rubies used for? Thanks a lot.
10Y
By: riksuo
1

A. Lange & Söhne: i am afraid now.....

beside the service issue, i am actually thinking about to have a zeitwerk, well.........my heart is broken too.
11Y
By: riksuo
1

A. Lange & Söhne: Material of Lange Movements

Hello guys Recently, i have question about ALS movement material. As well known, ALS uses untreated German silver to make their movements. However, when i was reading some watch-introductions, some of them said ''The plates and bridges of movement are made of untreated German silver.'' On the other
11Y
By: riksuo
1

A. Lange & Söhne: Power Reserve system in Zeitwerk

Recently, I am thinking about one question for Power Reserve(PR) system in Zeitwerk. Basically, there are two kinds of PR systems, the biggest difference between them is whether PR system could stop the watch when power running low, for example, the IWC 5000 movement, it has a 7days PR systems, howe
11Y
By: riksuo
2

A. Lange & Söhne: Movement has changed?

i realized the L043.4 , 425 parts, has ten more conponments than regular zeitwerk's L043.1 which has 415parts. Does anyone know what reason cause this change? thanks
11Y
By: riksuo
1

A. Lange & Söhne: Yes, it came from ALS

i think the main purpose is they want their materials outstanding. but anyway, they don't use it anymore and they didn't mention any reason. by the way, which kind of raw material does ALS use for plate? Sheets or Bars? most of brass movement come from brass sheet, but i always see the German silver
11Y
By: riksuo
1