1972-73 Zenith solid 9ct gold Automatic Date 28800 Model S2078 Box - buckle - bookletsThis Watch We have here a stunning example of a Zenith Automatic Date 28800, model S2078 from the 1970s. This watch is all original with box and booklets. The date function sits in between 4 and 5 o'clock which is somewhat of a zenith trademark. 33mm 9ct Yellow Gold Tonneau case which wears larger. The curve of the case leads your eye to the stubby flat ended lugs, and a lug to lug length of 39. 5mm and a thickness of 11mm ensure a comfortable fit on