Watch Glossary

Military Submariner issued to armed forces, featuring lollipop dial and dial printing variations.

Watch showing no signs of wear, original finish intact, functionally perfect

Mechanism that chimes the time in hours, quarter hours, and minutes when a slide or pusher is activated.

Outer dial ring with minute markers or railway design for precise time reading.

Wheel rotating once per hour on cannon pinion, drives hour wheel in motion works

Highly reflective polished surface resembling mirror quality

Achieving a highly reflective, glass-like finish on watch surfaces through precision polishing.

Meca-quartz hybrid, mechanical chronograph with quartz timekeeping, battery powered operation

Hallmark or stamped symbol indicating UK Ministry of Defence approval and acceptance.

Rigorous testing protocol required for watches submitted for British military service designation.

Watch dial conforming to UK Ministry of Defence specifications for military contract watches.

Watch officially issued by British Ministry of Defence to military personnel for field operations.

Specific movement caliber selected and approved by British Ministry of Defence for issue.

Official record documenting authorized changes to military-issue watches during service life maintenance.

Marking applied to watches serviced through official British military maintenance channels.

Official documentation proving watch passed British Ministry of Defence acceptance testing criteria.

Contemporary luminous material specifications balancing safety, brightness, and longevity

Chronograph mounted on base movement, 7750 on 2824 base, allows customization

Physical property of balance wheel oscillation that enables continuous operation without external intervention

TAG Heuer's iconic square-cased chronograph from 1969

Single-piece case construction where the entire case is machined from one solid block of material.

Chronograph operated by single pusher button for start, stop, and reset functions.

Mechanical display showing lunar phases through rotating disk behind aperture on dial.

Aperture showing the current lunar phase, cycling every 29.5 days with rotating disc mechanism.

Complication displaying lunar phases with rotating disc showing moon's illumination cycle.

Omega Speedmaster Professional, official NASA moon landing chronograph from Apollo missions.

Watch stored for years with congealed oils; requires full service before operation.

Iridescent nacre from mollusk shells used decoratively on watch dials

Gear assembly converting center wheel rotation to hour wheel and minute wheel motion

Official designation identifying specific watch movement design and manufacturing source

Official verification that watch movement meets specific Swiss quality and precision standards

Decorative treatment of watch movement including Côtes de Genève and polishing

Specialized tool for securely holding watch movement during service and repair

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

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.

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

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

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

Thorough visual examination of all movement components for damage or wear

Early-stage corrosion on movement components appearing as thin reddish oxidation layer.

Comprehensive evaluation of mechanical movement performance parameters.

Dial with multiple depth levels creating three-dimensional appearance

Iridescent substance from oyster and abalone shells used on premium watch dials

Reference number assigned to military watch procurement contracts in NATO inventory system.

System indexing military timepieces by function, issuing nation, and technical specifications for logistics.

NATO Reference Number (NRN) cataloging system for military equipment including issued wristwatches.

Engraved NATO identification number on military watch case or bracelet connector bar.

International cataloging system assigning unique identification codes to military watches.

Nylon fabric strap with metal hardware, durable alternative to traditional bracelets

Universal lug width specification (typically 20mm) allowing rapid strap interchange in field conditions.

Standardized fabric strap format adopted by NATO military forces for field watches.

Case lug design allowing rapid field replacement of watch band using standard NATO strap system.

Patek Philippe's prestigious integrated bracelet sports watch since 1976

Breitling's pilot chronograph with slide rule bezel since 1952

Near-field communication chip enabling contactless payments and data exchange

Near-field communication module enabling contactless transactions directly from watch face

Electroplating nickel onto watch components for corrosion protection and silver-like finish.

Intoxicating effect of nitrogen at depth; diver watches help track time/depth.

Rolex's modern shock absorber protecting the balance wheel from impacts and vibrations.