Movement motorisations: Sellita SW200 automatic mechanical calibre - EG1886A(N/V/R/S/BU/M) Swiss-made quartz calibre - Watchcase: 316L steel with matt sandblasted finish; water-resistant to 5 ATM (i.e. 50 metres - Winding crown with pushpiece and double seal - Antireflection treated domed sapphire dial crystal, transparent back.