Thanks for all your help guys..........So this is what Ive ordered:
Crown, Omega 9 x Ø6.10, Depth 4.50 Stainless Steel Waterproof (42184ST)
Date Ring 3H White Figures On Black Background ( 2557.1 ), ETA 2802 (ETA280225571WB3) .
Glass Gasket, Omega 298ZW2981 (X24029)
Pendant Case Tube, Omega 090ST1232 (X12870)
Bezel Spring, Omega 085ST0053 (X12749)
Bezel, Black, Omega 082SU1702 (X21197)
Pusher, Stainless Steel, Omega 086ST0115
Hopefully they are the right parts!