A Memosail Regatta Yachting chronograph wristwatch, round chrome plated brass case with dark blue and white dial, centre seconds with 15 minute timer between 12 and 4 o'clock showing 5 minute segments, on a 17 jewel Valjoux movement cal. 7737, case diam. 46 mm, stainless steel back, canvas strap, C - 1972.