El Primero Chronomaster 03.1260.4021/21 Configuration Group
El Primero Chronomaster 03.1260.4021/21 configuration group for 2 known exact references: 03.1260.4021/21.C505, 03.1260.4021/21.M1260. It keeps strap, bracelet, dial, or suffix options connected under one searchable family page.