Blancpain and Eterna. A lot of three 18K gold wristwatches with date

Blancpain and Eterna. A lot of three 18K gold wristwatches with date
Signed Blancpain, the first, Limited Edition, no. 11/50, case no. 714, the second, case no. 0143, the third signed Eterna, Les Historiques, no. 013, all between 1960 and 1990
The first, cal. 1186 automatic movement with split-seconds chronograph, 38 jewels, blue brushed dial, applied Roman numerals, three recessed subsidiary dials for 30-minute and 12-hour registers, constant seconds, date, circular case, snap on back, two round-shaped chronograph buttons in the band, one split second button at 10 o'clock, 18K gold Blancpain buckle; the second, automatic jeweled movement, two-tone dial, sweep centre seconds, date, applied Roman numerals, sweep centre seconds, date, circular case, snap on back, 18K gold Blancpain buckle; the third, cal. 1118, 17 jewels, white dial, applied baton numerals, sweep centre seconds, date from the centre, aperture for day and month, circular case, snap on back, 18K gold Eterna buckle, cases, dials and movements signed
34mm. diam., 33 mm. diam. and 33.5 mm diam. (3)