Cyma 28,000 vph automatic

The Cyma 28,000 vph automatic is an in-house caliber launched in 1975, marking the brand's shift from the higher frequency standard that preceded it. It was developed as a replacement for the 36,000 vph movements that Cyma and many Swiss manufacturers had used through the late 1960s and early 1970s. The movement reflects the broader industry trend of that era toward lower oscillation rates, which offered improved stability and reduced wear. Production has been discontinued.