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List

Main Plate

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The base plate upon which all other parts of a watch movement are mounted.

Movement Repair (Move. Rpr)

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Refers to the service that will be performed on the internal movement of the watch or clock. The service includes movement disassembly, repair/replacement of any broken movement parts, cleaning, lubrication, and timing adjustment to manufacturer specifications. All case gaskets will also be replaced.

Mainspring

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The spiral torsion spring of metal ribbon that is the power source in mechanical watches. As the mainspring unwinds power is provided to the wheels of the movement.

Markers

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Applied to the dial and separated by equal distance to read the time.

Moonphase

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A window in a watch which indicates the phases of the moon through 29 1/2 days.

Mother-of-Pearl

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The iridescent interior of a freshwater mollusk that is often used to decorate watch dials. Its colors include milky white, blue and pink. Mother of Pearl is available in an array of colors, such as blue, pink, yellow and more.

Movement

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Internal mechanism of a watch or clock, which is enclosed inside the case.