Literature
Auktion Manigsch 25.5.1991
1991 Bonello Swatch Sammlerkatalog
1991 Chrisites Auctions Catalogue
1991 Chrisites Auctions Catalogue
1991 Electra Modelli Prototipi Varianti
1991 Electra Swatch after Swatch
1991 Electra Swatch after Swatch
1991 Mangisch Auction Catalogue
1991 Swatch Collectors Club
1991 Swatch Sammler-Preise
1991 Swatchissiomo
1991-93 Swatch Auction Luzern
1992 Swatch Auction Mangisch
1992 Swatch Auction Mangisch
1992 Antiquorum Auction Catalog Results
1992 Bonello Katalog für Swatch Uhren
1992 Swatchwatches
1992 World Collector
1993 Bonello Swatch-Collector
4 - Literature