Technical library

The files in this library are an excerpt from the impressive collection of vintage watch documentation which you will find on the company main website
 

Ernst-Westphal.de

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Balance staff catalogues and comparison tables	RONDA staff catalog 1965 (22MB)
	RONDA staffs sorted by total length (6MB)
	RONDA staffs sorted by numbers (6MB)
	RONDA staffs supplement 1974 (5.5MB)
	DCN staff catalogue (87MB)
	Staff comparison table Ronda-DCN (4MB)
	Staff comparison table DCN-Ronda (3MB)
Winding stem catalogues and comparison tables	RONDA stem catalog 1965 (10MB)
	DCN stem catalog (78MB)
	Stems comparison table Ronda-DCN (3MB)
	Stems comparison table DCN-Ronda (3MB)
Batteries comparison table	UCAR Energizer comparison table (3MB)
Spare parts for HERMLE clock movements	Hermle spare parts catalog 2008 (48MB)
STERNKREUZ watch and clock crystals	Sternkreuz crystals catalog 2008 (8MB)
BERGEON tools	Bergeon tools catalog 2008 (64MB)