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ETA Mechanical movements Caliber Product Line Winding Diameter Height Jewels Frequency Running time VPH Hz; 2671 [1] Mecaline automatic 17.2 4.8 25 28800 4 38 2678 [2] Mecaline automatic 17.2 5.35 25 28800 4 38 2000-1 [3] Mecaline Specialities automatic 19.4 3.6 20 28800 4 40 2681 [4] Mecaline automatic 19.4 4.8 25 28800 4 38 2094 [5]
The standard movement was designed to have fewer parts than other similar movements, so that it was easier to produce and service, while at the same time maintaining high accuracy and reliability. The basic specification of the Standard wristwatch caliber is a minimum of 17 jewels, 21,600 bph (beats per hour) escapement , a minimum 40-hour ...
The hand-winding movement of a Russian watch. A mechanical watch is a watch that uses a clockwork mechanism to measure the passage of time, as opposed to quartz watches which function using the vibration modes of a piezoelectric quartz tuning fork, or radio watches, which are quartz watches synchronized to an atomic clock via radio waves.
2014, Hong Kong Umbrella Movement (2014, Taiwan): Sunflower Student Movement (2015, South Africa): #RhodesMustFall (Canada): 2015 Quebec student protests 2015 Bangladesh student protests against VAT on education (2015, Taiwan): Anti-Black Box Curriculum Movement (2015, Malaysia): Tangkap Najib rally
The 19th of April Movement (Spanish: Movimiento 19 de Abril), or M-19, was a Colombian urban guerrilla movement active in the late 1970s and 1980s. After its demobilization in 1990 it became a political party, the M-19 Democratic Alliance ( Alianza Democrática M-19 ), or AD/M-19 .
Social movement theory is an interdisciplinary study within the social sciences that generally seeks to explain why social mobilization occurs, the forms under which it manifests, as well as potential social, cultural, political, and economic consequences, such as the creation and functioning of social movements.
Pages in category "21st-century social movements" The following 52 pages are in this category, out of 52 total. This list may not reflect recent changes. 0–9.
Cortébert was a Swiss premium watch brand, manufacturing their own movements, supplying movements to other brands such as Rolex and introducing a jump-hour movement later adopted by IWC. When the quartz crisis hit the industry in the 1970s, the majority of prestige brands ceased production, including Cortébert.