Glossary
- "À tact" watch
- "À toc" watch
- Accutron
- Agate
- Age of the moon
- Alarm
- All-or-nothing piece
- Alloy
- Amagnetic
- Amplitude
- Analogue
- Annual Calendar
- Annual calendar (watch)
- Anti-magnetic
- Aperture
- Applied chapter (Applique)
- Arabic numerals
- Arbor
- Argand burner
- Art Deco
- Assemble
- Assembly
- Assortiment
- Asterism
- Asthmometer
- Atm (atmosphere)
- Atmos
- Atomic (clock)
- Atomic clock
- Atomic second
- Automatic (Self-winding)
- Autonomy
- Autoquartz
- Back
- Bagnolet (calibre)
- Baguette
- Balance
- Balance cock (modern)
- Balance cock (traditional)
- Balance spring
- Bar
- Barrel
- Barrel arbor
- Basic Function
- Bassiner
- Battery
- Bearing
- Bell
- Bench
- Bent index
- Beryl
- Bezel
- Bezel
- Bezel or collet setting
- Birefringence
- Blanc roulant
- Blank
- Block
- Blued steel
- Bolt
- Bort
- Bottom plate
- Bow
- Bow lathe
- Brace or Bridle
- Brass
- Breguet overcoil
- Bridge
- Brilliant cut
- Briolette
- Bruting
- Bulk setting
- Burnish
- Burnisher
- Cabinet
- Cabinotier
- Cabochon
- Calibrated
- Calibre
- calibre-cut
- Cam
- Canary diamond
- Cannon pinion
- Carat
- Carbonado
- Case
- Case
- Case middle
- Case up
- Case-fitter
- Casing ring
- Catch
- Century leap year
- Ceramic
- Chablon
- Chamfer (Bevel)
- Champlevé(e)
- Chimes
- Chip
- Chronocomparator
- Chronofiable
- Chronograph
- Chronometer (general definition)
- Chronostop
- CIBJO
- Clarity
- Cleavage
- Clepsydra
- Clock
- Cloisonné
- Cloud
- Clous de Paris
- Clutch
- Coaxial
- Colour
- Column wheel
- Combo
- Combustion clock
- Common year
- Compensation
- Complication
- Contrôle Officiel Suisse des Chronomètres
- Copper-plate
- Coral
- Corrector
- Corundum
- COSC (Contrôle officiel suisse des chronomètres)
- Côtes or vagues de Genève
- Count wheel (Locking plate)
- Countdown timer
- Counter
- Crown (jewellery)
- Crown (watchmaking)
- Crystal
- Crystal
- Crystal habit
- Crystal systems
- Cubic zirconium
- Culet
- Cultured pearl
- Cushion cut
- Cut
- Cuvette
- Cycloid
- Dart (Guard pin)
- Date
- Dauphine
- Day
- Daylight Saving Time
- Dead seconds
- Decimal (Revolutionary) (Republican)
- Decimal hour
- Decoration
- Demantoid garnet
- Detent
- Dial
- Dial foot
- Diamond
- Dichroism
- Die
- Diffusion treated
- Digital
- Direct-drive seconds (Trotteuse)
- Disc
- Disconnect
- Display
- Display lighting
- Dividing head (Division plate)
- Drift
- Drum
- Dual time zone
- Dumortierite
- Dynamograph
- Ebauche
- Electroluminescence
- Electroplating
- Emerald
- Emerald cut
- Enamel
- Enamellist
- Enamelwork
- Endstone
- Engage
- Engine turn
- Engine-turning (Guilloché)
- Engraving
- Ephemeris
- Equation of time
- Escapement
- Etablissage
- Etablisseur
- European cut , mine cut or cushion cut
- Exterior
- Fabrique
- Facet
- Faceting
- Fancy cut
- Fancy diamonds
- Fastenings
- Feather
- Feuille
- File
- Fine stone
- Finishing (Finissage)
- Finisseur
- Fire
- Flange
- Flinqué
- Flirt (independent seconds)
- Fluorescence
- Fluting
- Fly-back (Retour en vol)
- Folding buckle
- Foliot
- Fork
- Foudroyante (Jumping seconds or hand) (Flying seconds)
- Fracture
- Frame
- Frequency
- Fresh water cultured pearl
- Full cut
- Fusee
- Gear train
- Gears
- Gemmology
- Gemstone
- GIA
- Gild
- Girdle
- Glucidur (Glucydur)
- Gnomon
- Gold
- Goldsmith
- Gong
- Goshenite
- Governor
- Grain
- Grande complication
- Grande sonnerie
- Green diamond
- Green garnet
- Greenwich Mean Time (GMT)
- Gregorian calendar
- Hammer
- Hand
- Hand-setting
- Hardness
- Hatch
- Heart-shaped
- Heliotrope
- Hematite
- Hertz (Hz)
- Hessonite
- Horn
- Horology
- Hour-wheel
- Hunter
- Imperial jade
- Impulse
- Incabloc®
- Inclusion
- Independent seconds
- Index (Regulator)
- Index for flat balance springs
- Indicator
- Inertia block
- Integrated circuit
- Intermediate wheel
- Invar
- Inverted calibre
- Invisible setting
- Iolite
- Iridescence
- Irradiated (treated) diamonds
- Irradiation
- Isochronal (Isochronous)
- Isochronism
- Jade
- Jasper
- Jewel
- Jeweller
- Jewels
- Jewels
- Jumping hour
- Jumping seconds
- Karrusel
- Knot
- Kunzite
- Labradorite
- Lapidary
- Lapis lazuli
- Large date
- Lathe
- Latitude
- Leaf
- Leap year
- Leap year calendar
- Leather
- Legal time
- Lépine calibre (movement)
- Lépine watch (Open-face)
- Lever
- Lever
- Lever héliaque d'un astre
- Light-Emitting Diode (LED)
- Ligne
- Liquid Crystal Display (LCD)
- Longitude
- Lug
- Lug width
- Luminescent
- LumiNova®
- Lunation
- Luster
- Mainspring winder
- Maker's mark
- Malachite
- Maltese Cross
- Manual
- Manufacture
- Marcasite
- Marine chronometer
- Marker
- Marquise
- Master
- Mastership
- Mechanism
- Melee
- Meridian
- Mesh
- Microcrystallin
- Micron
- Microsecond
- Mixed cut
- Module
- Mohs scale
- Moissanite
- Moon phases
- Moonstone
- Morganite
- Moss agate
- Mother-of-pearl
- Motion works
- Movement
- Mysterious (clock or watch)
- Mystery setting
- Nacre
- Natural pearl
- Nephrite
- Nickel silver (German silver)
- Niello
- Observatory chronometer
- Official rating certificate
- Oignon (watch)
- Oil sink
- Oiling
- Onyx
- Opal
- Opaque
- Organic
- Orient
- Ornamental gems
- Oscillating pinion
- Oscillating weight (Rotor)
- Oscillation
- Oscillator
- Oval
- Padparadsha sapphire
- Paillon
- Paillonné enamel
- Painting on enamel
- Pairing
- Palladium
- Pallet
- Pallet
- Pantograph
- Parts
- Pavé
- Pavilion
- Pawl (Click)
- Pear shape
- Pearl
- Pellaton (winding system)
- Pellaton (winding system)
- Pendant
- Pendulum
- Peridot
- Period
- Perpetual calendar
- Perpetual calendar (watch)
- Perpétuelle
- Petite sonnerie
- Piezoelectric
- Pillar
- Pin
- Pinion
- Pivot
- Planing machine
- Plating
- Platinum
- Pleochroism
- Poinçon de Genève
- Point
- Polish
- Power reserve, Indicator
- Precious stone
- Precision timer
- Princess cut
- Prong or claw setting
- Pulsometer
- Punaise
- Push-button
- push-fit
- PVD
- Quartz
- Quartz oscillator
- Rack
- Rack
- Radiant cut
- Railroad
- Ratchet
- Rate
- Ream
- Recess
- Red diamond
- Refraction
- Refractive index
- Refractometer
- Regulating organ (regulator)
- Regulating parts
- Regulator
- Repair
- Repairer
- Repassage
- Repeater
- Repoussé
- Resonance
- Retour en vol
- Retrograde
- Revolutionary
- Revolutionary
- Revolutionary calendar
- Rhodium plating
- Rhodochrosite
- Rim
- Roch cristal
- Rock setting
- Roman numeral IIII on dials
- Roman numerals
- Rose cut
- Rotor
- Rough
- Ruby
- Rutilated quartz
- Safety roller
- Sapphire
- Scale
- Scratchproof
- Screw
- Second
- Secret spring
- Secular Perpetual calendar
- Self-winding (Automatic)
- Set (to)
- Setting
- Ship's chronometer
- Shock absorber
- Shockproof
- Sidereal day
- Silent
- Simple calendar (watch)
- Skeleton
- Skeleton movement
- Slide
- Smoky quartz
- Snailing
- Snap
- Snow setting
- Sodalite
- Solstice
- Souscription (watch)
- Specific gravity
- Spectroscope
- Spinel
- Split-seconds (chronograph)
- Split-seconds chronograph
- Spring
- Staff (balance staff)
- Stamping
- Stamping press
- Steel
- Step motor
- Stippling (Spotting)
- Stone
- Stopwork
- Strap
- Striking mechanism
- Stud
- Subsidiary seconds
- Sunray brushing
- Sunrise and sunset
- Sweep seconds
- Swiss T 25 (T Swiss made T)
- Sympathique
- Synthetic ruby (Scientific ruby)
- Synthetic stone
- Table
- Tachymeter
- Tahitian cultured pearl
- Tanzanite
- Tapestry pattern
- Telemeter
- Temper
- Terminage
- Terminal coil
- Termineur
- Test
- Thermal compensator
- Thread
- Tiger's eye
- Time zone
- Timepiece
- Timer
- Timing
- Tooth
- Tourbillon
- Tourmaline
- Train
- Transfer
- Translucent
- Transparent
- Trillion cut
- Tritium
- Trotteuse (Direct-drive)
- Truing calipers
- Tsavorite
- Tuning fork
- Turning arbor
- Turquoise
- Tweezers
- Ultra-complicated watch
- Under-dial work
- Universal (watch with universal hours)
- Universal hour
- Universal Time (UT)
- Vagues de Genève
- Vane
- Vermeil
- Vibration
- Vice
- Watch
- Watchmaker's cabinet
- Water
- Water clock
- Water-resistance
- Water-Resistant
- Waterproof
- Wheel
- Wheel-cutting engine
- Wind
- Winding mechanism
- World time
- Year
- Zinc
- Zodiac
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