👉 Aztec Sun 2023 के लिए सर्वश्रेष्ठ भारतीय ऑनलाइन कैसीनो बोनस
Aztec Sun 2023 के लिए सर्वश्रेष्ठ भारतीय ऑनलाइन कैसीनो बोनस
With the goal of making chronographs easier and cheaper to produce, the manufacturer Landeron presented the caliber 47 in 1937. This caliber’s chronograph components came from Dubois-Dépraz, who are still known for their complication and chronograph modules. The caliber 47 was the first to replace the column wheel with two-dimensional components called cams. Their complex contours allow them to perform the chronograph functions. The advantage: As opposed to the column wheel, they can be punched out of a metal sheet and are much easier to produce. This type of construction has been so successful that the most commonly encountered type of chronograph caliber still in production today is the Valjoux 7750 and variations thereof. These movements all feature a cam switching unit instead of a column wheel. The caliber 861 took over for the caliber 321, replacing the column wheel with a more easily constructed cam-operated caliber Image: Bert Buijsrogge., aztec sun 2023 के लिए सर्वश्रेष्ठ भारतीय ऑनलाइन कैसीनो बोनस. The f