from our parts bin:::::::::::::we have a few old and unrepairable Omega Speedmaster cal. 321 movements as spare parts for our restorations. and here is the RAREST sparepart for the early caliber 321 speedmasters: the symetrical clutch bridge. together with the arrow shaped index ( which we have as well....), this is the easy to spot age difference between the quite identical movements,. apart from the movement number, of course. but many have been replaced during services over the life span. you will not find one. it will be the difference between the same early Speedmaster costing $ 60.000 or 90.000. used, but still very,very good condition. works fine. Payment in US$ or Euros via Paypal fine. US$ 650 incl. registered airmail . and we ship in a way, that you do not have to pay EU fees ! Bid with confidence. we are trading vintage watches for over 26 years. good luck ! and::shipment worldwide with courier EMS for minimal taxes and hasslefree EU customs is A$ 55 !!! ++++++++ registered airmail parcel worldwide starts at A$ 35. ++++++++++