Hamiton 687
VD53 Height 2 SII Quartz Chronograph Watch Movementis a 3 hand movement (hour/minute/sweep seconds) with 3 indicators and a date window at the 4:30 position
Omega® 670
Material: Genuine IWC part 4303 (blue steel)
Omega 30 T3 SC
Omega® Case Back Gasket (Round O-Ring) OM-088NS5021 (replacement for 0880987N), see all case numbers in description crimp covers Hamiton 687Omega Case Back Gasket (Round O Ring) OM 088NS5021 (replacement for 0880987N), see all case numbers in description O ring case back gasket to fit Omega case numbers: 1950430, 2950431, 5950430, 6950431, 7681010, 7682000, 7682001, 7682002, 7682003, 8672002, 8672003, 8672004, 8681010, 8682000, 8682001, 8682007, OM 088NS5021 (replacement for 0880987N) *Perrin Supply Ltd is independent of and not affiliated with or sponsored by Omega. Omega warranty does