Manipulate the big 2nd hand and cooperate Using the 9 o'clock dial to properly depend the seconds Maybe most significant with regard to horological history writ massive was the debut of the “Omega” caliber in 1894, a 19-ligne, crown-established movement whose interchangeable sections were being meant for simple provider. At https://www.watchesworld.com/a-history-of-watch-reference-numbers/