OMEGA Speedmaster LCD 186.0005 from 1977

OMEGA Speedmaster LCD 186.0005 from 1977. Watch has the lovely 1620 movement with light and chrono function. Its the ideal watch from time measurements. The watch is good conditions with only with typical wear on case back and top side lines. Never polished all original brushing. Crystal was replaced for an OMEGA OEM NOS crystal. Original sealing was kept. Watch & Movement fully dismanteled and cleaned. Original serial number plate still on movement with serial number.