Omega Constellation Chronometer f300Hz ref: 198.0006 from 1971.  Jumbo 36mm steel case and sought-after dual tone brushed dial. Watch comes with its original integrated stainless steel omega bracelet.  CASE – steel 36mm without crown. Preserved in near mint condition with razor sharp edges, clearly visible original finish. DIAL – beautiful dual tone vertical brushed dial in mint condition. HANDS – original hands with striking red second hand in near mint condition. CROWN – original signed crown. CRYSTAL – new signed crystal. MOVEMENT – cal. 1250 tuning fork. In good working order. BRACELET – original bracelet that will fit 8 inch wrist. Vintage, Rare, Collectible in Excellent condition. Men's with Original SS Omega Bracelet with all links and will fit a large wrist (approximately 8"). 1970s OMEGA Constalltion Chronometer Electronic F300Hz - Stainless Steel - Cal. 1250, with its original integrated stainless steel bracelet.. this rare and collectible near mint vintage timepiece is in excellent vintage condition serviced last year. This is another icon in Omega's history, being the first electronic watch, cosc certified Chronometer, driven by a tuning fork, vibrating at 300 times per second, producing the infamous humming sound (you have to hold the watch to your ear to hear) with a seamlessly smooth sweeping seconds hand. Watch only, CONUS shipping included, accepting Venmo, PayPal F&F, PayPal G&S plus 4.4% Asking $800