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Coin watch. A coin watch or medal watch comprises a watch inserted into a coin or medal. [1] A coin watch is typically made by slicing a coin into two disks, one thinner than the other; [1] or by removing one face of a coin. A watch mechanism is then embedded into the thicker part, and the two faces joined by a concealed hinge and catch. [1]
Current status. active. CoinWeek is an American internet-based publication that publishes articles, analysis, news, videos and podcasts about a wide range of numismatic topics. It is one of the leading online publications for coin collectors in the North American market, winning more than two-dozen Numismatic Literary Guild (NLG) Awards since ...
Bitcoin (abbreviation: BTC; sign: ₿) is the first decentralized cryptocurrency. Nodes in the peer-to-peer bitcoin network verify transactions through cryptography and record them in a public distributed ledger, called a blockchain, without central oversight.
Button, coin, or watch cells. A button cell, watch battery, or coin battery is a small single-cell battery 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. Stainless steel usually forms the bottom body and positive terminal of the cell; insulated from ...
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Montres Corum Sàrl, commonly referred to as Corum, is a Swiss watchmaker based in La Chaux-de-Fonds, Canton of Neuchâtel. Founded in 1955, it makes high-price watches, many of which are limited editions. The benchmark watch series for Corum is its "Admiral's Cup" series. The company is owned by Hong Kong -based Citychamp Watch & Jewellery ...
Dollar watches were practical, mass-produced timepieces intended to be as inexpensive as possible. Features of dollar watches were their simple, rugged design, movement (usually with a pin-pallet escapement, although sometimes with duplex escapements) which has either no jewels or just one jewel, width of about eighteen size (2 inches (51 mm ...
Telemeter was an American subscription television service developed by the International Telemeter Corporation, that operated from 1953 to 1967. Telemeter was used on a coin-to-box machine connected to any television set. When the right amount of money was deposited into the box, a scrambled signal sent through coaxial cables was unscrambled ...