A Certina Exact Time desk clock, C.1950, heavy gilt brass…
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A Certina Exact Time desk clock, C.1950, heavy gilt brass rectangular case with forward sloping top, silvered dial with applied gilt hour numerals at quarters and batons at hours, gilt and polished baton hands with counterbalanced centre seconds handthat advances in 1-second jumps. Dial and case top marked 'Certina' in raised letters, and 'Exact Time' in engraved and blackened letters. Convex glass covering dial. movement is highly jewelled with lever escapement, damascened and spotted 7.5 cm, diameter plates, compensated balance with whiplash regulator visible and accessiblethrough aperture in protective back cover. A complete secondary train enables the jumping seconds. The case back is marked '3 Days, 1412', with fold-down winder and hand setting knob. High quality and excellent finishthroughout. Outer hinged fitted and padded carrying case lined with gray satin and felt and covered in red leather with 'Certina' embossed on top in gold, length 16 cm, width 14 cm, height 6 cm

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  • Date Aperture - A date aperture is a cut out section in the face of a watch or clock, displaying the day of the month.
  • Damascene - Damascening is a technique used to decorate metal objects, such as swords, armor, and other metalwork, by inlaying different colored metals into grooves that have been etched or engraved into the surface of the metal. The technique is believed to have originated in Damascus, Syria, and was later adopted by other cultures such as the Japanese, Indians and Iranians.

    The process typically involves etching a design into the surface of the metal, and then filling the grooves with a contrasting metal, such as gold or silver. The inlaid metal is then burnished to create a smooth surface, and the design is polished to a high shine. Damascening can create intricate and highly detailed designs, and is often used to decorate weapons, as well as jewellery, and other decorative objects.
  • Embossed / Repousse - Embossing, also known as repousse, is the technique of decorating metal with raised designs, by pressing or beating out the design from the reverse side of the object.It is the opposite of chasing, where the decoration is applied from the front. An embossed or repoussed object may have chasing applied to finish off the design.
  • Movement - The technical name for the workings of a clock or watch, and does not include the dial or case.
  • Lever Escapement - A lever escapement is a type of escapement mechanism used in mechanical clocks and watches to regulate the timekeeping of the movement. It was invented by British clockmaker Thomas Mudge in the 18th century and is now widely used in modern mechanical timepieces.

    The lever escapement consists of three main parts: the escape wheel, the pallet fork, and the lever. The escape wheel is a wheel with teeth that is driven by the clock or watch's main spring or weight. The pallet fork is a two-pronged component that is positioned so that it can engage with the teeth of the escape wheel, and the lever is a small, L-shaped component that is attached to the pallet fork.

    When the escape wheel turns, one of its teeth pushes against one of the pallet fork's prongs, causing the fork to pivot. As the pallet fork pivots, it releases the tooth and engages with the next tooth on the opposite side of the escape wheel. At the same time, the lever, which is connected to the pallet fork, rocks back and forth, allowing the escape wheel to turn at a regulated rate.

    The lever escapement is prized for its accuracy and reliability and is commonly used in high-end mechanical watches. It allows for precise timekeeping by ensuring that the movement of the watch or clock is regulated and consistent, and its compact size makes it an ideal choice for use in small, portable timepieces.
  • Baton Hands - A narrow hand on a watch, sometimes also called a stick hand.

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