In the opinion of many collectors, 13 ZN and the subsequent 30 CH (produced since 1948), are the best in terms of technology and quality. Also, an interesting story is Longines, already being one of the best manufacturers of pocket chronographs, had no difficulty to develop its own wristwatch movements. One can also find in this earlier Chronomaster the prestigious movement: the Valjoux 23, an icon in the history of the Swiss column-wheel chronograph movements from the mid twentieth century that was used by brands like Jaeger and Rolex for its robustness. Very little information is available on these ultra-rare timepieces, which also makes them highly collectible. Grenchen is the same town where several watch manufacturers were also established, including Breitling SA, ETA SA, Fortis, Eterna SA and Titoni Ltd.
of a vintage classic, down to the original, and important Valjoux 23 chronograph movement. Nivada Grenchen is a Swiss watch company founded in 1879 in the town of Grenchen, Switzerland. Clasp/Buckle: Stainless steel Nivada Grenchen pin buckle. Screw-down case backīlack leather ‘racing’ style strap with steel buckle Red ‘lollipop’ chronograph central sweep seconds hand and white baton hour/minutes hands.ģ8mm, Mint condition thick stainless steel case, black bi-directional 60-minute bezel. The Venus 210 is cam Valjoux 92 is oscillating pinion Valjoux 23 is column-wheel, and Landeron 248 is cam.
Nivada instead of Croton), and Landeron 248 (late 1960s, esp. Two grey subdials, subsidiary seconds at 9 o’clock and chronograph 30-min counter at 3 o’clock with red 5-minute countdown sector. Nivada managed to linger for a few years before finally ceasing production around the dawn of the 1980s. Chronomasters that went to the US were branded under Croton and used the Valjoux 23. Original black dial with luminous hour markers and tachymeter on the periphery. Nivada Grenchen Depthmaster 1000 Mini Paneri, Nevada Gretchen. Valjoux 23, hand-wound mechanical column-wheel chronograph movement, 17 jewels NIVADA GRENCHEN, Vintage MINT Chronomaster with lollipop hand, Valjoux 23, 1960’sĮxtremely rare vintage Nivada Grenchen in stainless steel with, bi-directional 60min bezel and excellent condition Valjoux 23 movement.
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