ZENITH original date disc in gold/yellow. Comes in factory sealed packaging. ZENITH part number: 20.67.0660.114 Fits cal: 650, 655, 660, 670, 672, 680, 682, 683, 684, 685 Versions: Manual wind: 650: date. 655: no seconds dispaly, date, power reserve. Versions: Automatic wind: 660: no seconds display, date (never produced). 661: no seconds display. 665: no seconds display, date , power reserve (produced?) 670: sweep second, date. 672: sweep second, date, dual time 680: sub second, date. 682: sub second, date, dual time 683: power reserve, 24 h display 684: sub second, date window at "6" 685: sub second, date, power reserve. 687: sub second, power reserve, dual time, dual time, 24 h display 688: similar to 687? 689: hour, minute diplay. 690: moon phase at "6" 691: moon phase at "6", big date. 692: moon phase at "6" 693: 24 h hand.
