in particular my favourite is the Da Vinci Perp Digital. i like its clear display, the date at 9 and month at 3 works for me and the co-axial minute and hour chrono dial looks good.
i personally dont like anything in rubber as it tends to attract dust that wont come off. it smacks of cheapness in my eyes, money saving which wont be passed onto the customer. perhaps i'm just old fashioned.
Graham