Offered here is 1970s Aquastar Regate yacht timer. This watch was serviced in 2019. At that time received a brand new acrylic crystal, back gasket and a special gasket holding the 2 parts of the case  together with tight pressure fit. This watch runs on an automatic Lemania movement cal. 1345.  Priced here at $2500    Make Offer  Text 702 526 8524

More on this movement an operation can be found on this site: Aquastar 1970/1980’s – Regatta Yachttimers (regatta-yachttimers.com)