OMEGA cal: 620 - 630

    Manual wind:
    • 620:   17.50 mm, 17 jewels, 19.800 A/h, manual wind.
    • 630:   17.50 mm, 17 jewels, 19.800 A/h, manual wind, sweep second.
    • 625:   17.50 mm, 17 jewels, 21.600 A/h, manual wind.
    • 635:   17.50 mm, 17 jewels, 21.600 A/h, manual wind, sweep second.
    • 640:   12.40 mm, 17 jewels, 19.800 A/h, manual wind, backwinding.
    • 650:   12.40 mm, 17 jewels, 19.800 A/h, manual wind.

    Automatic wind:

    • 660:   15.40 mm, 17 jewels, 19.800 A/h, automatic wind.
    • 661:   15.40 mm, 24 jewels, 19.800 A/h, automatic wind.
    • 662:   15.00 mm, 17 jewels, 21.600 A/h, automatic wind.
    • 663:   15.00 mm, 24 jewels, 21.600 A/h, automatic wind.
    • 670:   18.00 mm, 17 jewels, 19.800 A/h, automatic wind.
    • 671:   18.00 mm, 24 jewels, 19.800 A/h, automatic wind.
    • 672:   18.00 mm, 24 jewels, 19.800 A/h, automatic wind, chronometer.
    • 680:   18.00 mm, 17 jewels, 19.800 A/h, automatic wind, date.
    • 681:   18.00 mm, 24 jewels, 19.800 A/h, automatic wind, date.
    • 682:   18.00 mm, 24 jewels, 19.800 A/h, automatic wind, chronometer, date.
    • 683:   17.50 mm, 17 jewels, 21.600 A/h, automatic wind, date.
    • 684:   17.50 mm, 24 jewels, 21.600 A/h, automatic wind, date.
    • 685:   17.50 mm, 24 jewels, 21.600 A/h, automatic wind, chronometer, date.