【Seamless Integration】Our strap for swatch omega moon watch is intended by using a seamless integration curved in your mind. Maybe most significant with regard to horological history writ large was the debut in the “Omega” caliber in 1894, a 19-ligne, crown-set motion whose interchangeable sections were intended for quick service. https://www.watchesworld.com/a-history-of-watch-reference-numbers/