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automatic 25.6 4.85 22 28800 4 42 2897 [18] Mecaline Specialities automatic 25.6 4.85 21 28800 4 42 2894-2 [19] Mecaline Chronographes automatic 28 6.1 37 28800 4 42 2834-2 [20] Mecaline automatic 29 5.05 25 28800 4 38 7750 [21] Mecaline Chronographes – Valjoux automatic 30 7.9 25 28800 4 48 7751 [22] Mecaline Chronographes – Valjoux ...
Video of the rotor turning in an automatic wristwatch having a glass back, when the watch is moved by hand. An automatic watch, also known as a self-winding watch or simply an automatic, is a mechanical watch where the natural motion of the wearer provides energy to wind the mainspring, making manual winding unnecessary if worn enough. [1]
In horology, a movement, also known as a caliber or calibre (British English), is the mechanism of a watch or timepiece, as opposed to the case, which encloses and protects the movement, and the face, which displays the time. The term originated with mechanical timepieces, whose clockwork movements are made of
Consumer Reports is a United States-based non-profit organization which conducts product testing and product research to collect information to share with consumers so that they can make more informed purchase decisions in any marketplace.
Early automatic quartz movements were called AGS (Automatic Generating System). In 1991 the company introduced the Kinetic brand name. [4] Today Seiko offers a wide range of watches with various Kinetic movements. The top of the line is the caliber 9T82, included in Sportura (international brand) and PROSPEX (only marketed in Japan) Collection.
Miyota produces various 'standard' and 'premium' grade mechanical movements for automatic wristwatches.. The Miyota 8215 is an entry level non-hacking-earlier versions twenty-one jewel three-hand with date automatic wristwatch movement with a uni-directional winding system (left rotation) with an accuracy of -20 to +40 seconds per day, and a power reserve of over 40 hours.
ETA designs and manufactures mechanical and automatic watches, watch movements and watch ébauches.Although the company produces finished watches and movements, ETA specializes in the production of ébauche movements used both in watches of sister Swatch Group subsidiary brands and in the watches of competitors, including brands owned by Compagnie Financière Richemont S.A. and others.
Consumer Reports (CR), formerly Consumers Union (CU), is an American nonprofit consumer organization dedicated to independent product testing, investigative journalism, consumer-oriented research, public education, and consumer advocacy.