FE 163-4

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Remarks:

Date with quick setting by repeated change 22 -> 24h
Round date module is completely screwed onto the form base movement and is driven by a high gear rim on the hour wheel
Variants of the FE 163:
- 163: No seconds (height: 3.61 mm)
- 163-1: Date, no seconds (height: 4.51 mm)
- 163-3: Sweeping seconds (height: 4.20 mm)
- 163-4: Sweeping seconds, date (height: 5.10 mm)

Listing ID: 4798
Manufacturer / Brand: FE
Caliber: 163-4
Size in French Lignes: 6 ¾ x 8''' (base movement), 8 ¾''' with date module
Size range mm largest diameter: 0 - 22 mm
Shape: Round
Winding: Manual (Crown)
Hands Setting: Crown
Seconds Hand: Sweeping seconds (central seconds)
Escapement: Lever (Swiss, English, Glashütte)
Date, Day, Month...: Date
Jewels: 17
Setting Lever Screw/Pin Position: Right
Balance Position: Right (0 - 120°)
Shock Protection: None
Beats per hour: 21,600
Balance Type: Nickel
Power Reserve: Unknown
Production Period: Unknown, probably around 1980 (mentioned in this document from 1981: https://eur-lex.europa.eu/LexUriServ/LexUriServ.do?uri=CELEX:21981A0801(01):DE:HTML)
Identification: FE logo marked under the balance and 163-4 under the escape wheel. Original data sheet (undated) is available as PDF.
External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/page-5#post-1590320
Country: France