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2. Button cell - Wikipedia

   en.wikipedia.org/wiki/Button_cell

   Button, coin, or watch cells. A button cell, watch battery, or coin battery is a small battery made of a single electrochemical cell and shaped as a squat cylinder typically 5 to 25 mm (0.197 to 0.984 in) in diameter and 1 to 6 mm (0.039 to 0.236 in) high – resembling a button.

3. List of battery sizes - Wikipedia

   en.wikipedia.org/wiki/List_of_battery_sizes

   A Battery: Eveready 742: 1.5 V: Metal tabs H: 101.6 L: 63.5 W: 63.5 Used to provide power to the filament of a vacuum tube. B Battery: Eveready 762-S: 45 V: Threa­ded posts H: 146 L: 104.8 W: 63.5 Used to supply plate voltage in vintage vacuum tube equipment. Origin of the term B+ for plate voltage power supplies.

4. Automatic quartz - Wikipedia

   en.wikipedia.org/wiki/Automatic_quartz

   204.901 (small 8.75 lignes used primarily in women's watches) 204.911 (replacement for the 204.901 upgrading from a capacitor to a rechargeable battery) 205.111 (discontinued and replaced by the 205.911 which upgraded from a capacitor to a rechargeable battery) 205.711 (15 jeweled movement used only by Swatch Watch for a variety of its fashion ...

5. Quartz crisis - Wikipedia

   en.wikipedia.org/wiki/Quartz_crisis

   Thus, prior to the 1970s, the Swiss watch industry had 50% of the world watch market. [11] In the early 1950s a joint venture between the Elgin Watch Company in the United States and Lip of France to produce an electromechanical watch – one powered by a small battery rather than an unwinding spring – laid the groundwork for the quartz watch ...

6. Sandoz (watch company) - Wikipedia

   en.wikipedia.org/wiki/Sandoz_(watch_company)

   The enterprise occupied a 'model factory' employing one thousand workers and producing 2,500 watches a day. [4] Sandoz was reported to have a paternalistic policy towards his workforce, exercising a fierce social control. [5] [6] Other names used by the Tavannes company at various times include Tavannes-Cyma, Bijou Watch Co., Tacy Watch Co ...