Watch Glossary

Specialized accessory for case presses designed to properly seat and compress case back gaskets.

Tool designed to safely open and close watch cases without damage

Collector practice of restoring brushed finish to over-polished vintage cases during restoration.

Precision measurement tool verifying case press alignment accuracy before high-pressure operations.

Manufacturing specification ensuring uniform pressure distribution across case back seating area

Pressurized fluid system in case presses that generates controlled force for crystal and case back sealing.

Measurement standard for case press fluid loss rate indicating maintenance requirement timing.

Electronic force sensor in modern case presses providing digital readout of applied pressure values.

Calibration protocol ensuring case press load measurement accuracy across full force range

Precision tool insert preventing concentrated force damage when pressing watch cases or bezels.

Polishing procedure maintaining case press work surface smoothness to prevent case finish marks.

Specification for case press platen smoothness preventing dial and movement marring

Thermal sensor detecting excessive platen heating indicating potential hydraulic fluid degradation.

Calibrated manometer on case presses indicating applied force in tons or kilograms during assembly.

Adjustment procedure setting maximum pressure thresholds to prevent case material deformation.

Mathematical relationship translating applied pressure readings to equivalent casing-back torque

Tool used to safely open and close screw-down case backs without damage

The specific tool trajectory used to create burnished pyramids in clous de Paris motif.

Positioning system for punch tool ensuring regular spacing of nail-head dots across dial.

Machining technique performed without heat application

Precision clamping device for holding small watch components

Draw tube mechanism on precision watch lathes that tightens collets for secure component holding.

Precision tool determining exact metal collet dimensions for secure stone mounting.

Optical instrument used in precision dial finishing verification

Tool measuring subdial counter positioning and spacing accuracy

Specialized tool for extracting watch crown with minimal damage to threads

Precision guidance collar in case presses that aligns watch crystals before pressing operations.