Watch Glossary

Device preventing unwanted rotational movement during assembly or disassembly operations

Elastomer component reducing transmission of external vibrations to delicate watch movements during servicing.

Flexible jointed support structure in movement holders enabling 360-degree rotational access to calibers.

Modern movement holder incorporating sensors to detect unintended orientation shifts during service work.

Threaded collar mechanism in movement holders that securely grips movements by case lugs or bridges.

Soft elastomer or leather-lined component in movement holders that prevents damage to fragile watch parts.

Precision accessory allowing repeatable movement positioning at specific angles for directional rate checks.

Vertical positioning system on movement holders that positions calibers at ergonomic working heights.

Mechanical safeguard preventing accidental contact between holding fingers and movement jewels

High-precision mechanical interface ensuring repeatable movement positioning in fixture

Specialized movement holder allowing unobstructed balance wheel oscillation observation during assembly checks.

Ferrous metal foundation on movement holders allowing positioning on workshop ferrous work surfaces.

Interchangeable component positioning movement holders for different caliber jewel and pivot configurations.

Precision fixture aligning movement holder arms equidistant from mainplate center for balanced support.

Quantitative measure of rotational resistance in movement holder positioning mechanisms

Flexible component in movement holder ensuring even contact pressure across movement plate

Bearing-mounted swivel on movement holders enabling 360-degree horizontal rotation without component stress.

Design feature accounting for temperature-induced dimensional changes in holding fixtures

Specialized tool used to create clous de Paris and hobnail patterns on dial blanks.

Measurement system quantifying stone-to-metal ratio in pavé-set watch surfaces.

Method for identifying misaligned centering rings that cause uneven case back seating pressure

Hardened steel plate in case presses that distributes uniform pressure across watch case components.

Software feature in timing machines that tracks chronometric performance changes over service intervals

Axial and radial deviation of lathe spindle rotation affecting precision of turned watch components.

Calibration procedure for correcting lathe spindle eccentricity in precision component turning

Specialized tool for removing and installing spring bars that attach watch straps

Grading system for staking set anvil material hardness and wear resistance specifications

Precision collet that secures watch pivots during staking operations on the staking set.

Precision punches used with staking tools to form, shape, or set components onto watch movements.

Rigid base platform in staking sets that prevents component deformation during pressing operations.

Central rotating shaft in a staking set that holds and guides various dies during component assembly.

Interchangeable hardened steel die that fits into a staking tool to perform specific component operations.

Modular hammer head system allowing rapid tool changes on a staking set without full recalibration.

Cumulative dimensional variation analysis of staking punch bore sizes affecting component seating

Measured deviation from perfect flatness on staking set anvil surface, critical for jewel alignment.

Precision tool measuring radial runout of arbors during stake setting operations

Dial indicator measuring radial runout of staking set arbors to confirm tool geometric precision.

Marked measuring surface on staking sets indicating height relationships for different die combinations.

Engineering calculation balancing hammer momentum with precision control for consistent jewel seating.

Engineering feature absorbing hammer shock to prevent secondary impact damage to delicate watch parts.

Mechanical advantage system on staking sets providing controlled, consistent pressure application force.

Quality control procedure verifying secure punch seating in stake anvil during operation

Final metal edge folding and polishing operation securing bezel-set gemstones.

Real-time measurement of balance wheel amplitude loss over 30-60 second intervals during diagnostics.

Algorithmic correction accounting for barometric pressure effects on acoustic beat measurement

Advanced filtering algorithm distinguishing true beat error from external vibration interference signals.

Maximum allowable deviation in microseconds between escapement impulses for acceptable regulation

Reference standard component used to verify accuracy and sensitivity of timing machine sensors.

Electronic component isolating rate information from movement vibrations in precision timing devices.

Precision quantification of lever lock engagement period in escapement cycle analysis

Digital circuit in timing machines measuring escapement frequency in oscillations per hour with precision.

Advanced diagnostic function revealing harmonic disturbances and escapement irregularities in movement operation.

Digital signal processing feature eliminating extraneous vibrations in beat rate measurement

Software function measuring balance wheel rate variation across different amplitude ranges during testing.

Standardized procedure ensuring consistent acoustic signal detection across different watch movement types.

Multiple electromagnetic or optical sensors in timing machines that detect and measure balance wheel vibrations.

Documentation system linking all watchmaking tools to certified reference standards

Classification system for heat-treated hardness levels in staking sets, punches, and anvils