Vintage 1970s OLMA 20-Micron Gold-Filled AS.1902 Automatic Watch - 34mm This is a classic 1970s vintage OLMA men's timepiece featuring a high-quality 20-micron gold-filled case. It is powered by the reliable AS.1902 automatic movement, a hallmark of Swiss engineering from this era. The watch retains its original dial and a period-correct acrylic (plastic) crystal, offering a warm, authentic vintage aesthetic. Measuring 34mm (excluding the crown), it possesses the elegant, understated proportions typical of mid-century dress watches. The watch head is fully original, though it has been fitted with a replacement crown (aftermarket) and a new leather strap for immediate wear. Brand: OLMA (Swiss) Movement: AS.1902 Automatic (Self-winding) Case Size: 34mm (excluding crown) Case Material: 20-Micron Gold-Filled Crystal: Acrylic / Plastic Condition: Vintage; Original watch head and dial, aftermarket crown and strap. Estimated Production Year: Circa 1970 – 1975