Hands-On: The Sistem51 Irony, A Steel Watch With An Entirely Machine-Made Movement - Hodinkee
Swatch Sistem51 Irony. Sistem51 goes metal. Discover the new Swatch Sistem51 Irony Collection (very important update in the comment section!) – Watch-Insider.com
Hands-On with the Swatch Sistem51 Irony Arrow - Worn & Wound