Lesson 1Movement architecture: mainspring, gear train, escapement, balance wheel, pallet fork, jewelsExamine how di mainspring, gear train, escapement, balance, pallet fork, an jewels interact. Understand power flow, torque management, friction control, an how architecture choices affect accuracy, robustness, an ease of servicing, mi bredda.
Barrel and mainspring design principlesCenter, third, and fourth wheel layoutEscape wheel and pallet fork interactionBalance wheel, hairspring, and oscillationJewels for pivots, pallets, and shock unitsBridges, plates, and movement rigidityLesson 2Main components: case, crystal, dial, hands, crown, stem, bezel, lugsIdentify di main external components of a wristwatch an dem functions. Learn how di case, crystal, dial, hands, crown, stem, bezel, an lugs interact mechanically, affect sealing, an influence service approaches an common failure points, yuh know.
Case body, mid-case, and caseback rolesDial feet, dial seats, and alignmentHand types, clearances, and hand settingCrown, stem, and keyless works interfaceBezel types: fixed, friction, and clickLug geometry, spring bars, and end linksLesson 3Seals and water-resistance elements: gaskets, caseback types, crown types and tube constructionUnderstand how gaskets, caseback designs, crown systems, an tube construction create water resistance. Learn gasket materials, compression behavior, lubrication, an how design choices affect service intervals an pressure test outcomes, seen.
Caseback types and sealing strategiesCase tube design and press-fit methodsPush-pull crowns and gasket layoutsScrew-down crowns and thread careCrystal gaskets and compression profilesPressure testing and leak diagnosticsLesson 4Common case finishes: brushed, polished, sandblasted, bead-blast, PVD and electroplatingStudy common case finishing methods an dem visual an functional impact. Learn surface preparation, grain direction, edge definition, an how finishes influence wear resistance, corrosion behavior, an future refinishing or restoration work, yuh zeet.
Brushed finishes and grain orientationHigh-polish surfaces and edge transitionsSandblasted and bead-blast matte texturesPVD coatings: process, pros, and limitsElectroplating thickness and adhesionRefinishing strategies and material lossLesson 5Types of movements: manual-wind vs. automatic and common mid-range calibersCompare manual-wind an automatic movements from a practical watchmaker view. Learn winding systems, power reserve behavior, rotor designs, an survey representative mid-range calibers commonly encountered in service work an parts sourcing, mi fren.
Manual-wind energy path and keyless worksAutomatic winding modules and reversersUnidirectional vs bidirectional rotorsPower reserve and winding efficiencyOverview of common ETA and Sellita calibersService notes on Seiko and Miyota familiesLesson 6Crystal materials: acrylic, mineral, hardened mineral, sapphire; pros and consAnalyze acrylic, mineral, hardened mineral, an sapphire crystals. Compare scratch resistance, shatter behavior, optical clarity, an ease of refinishing, an learn how crystal choice affects gasket design, water resistance, an service procedures, yuh hear.
Acrylic crystals and hand polishingStandard mineral glass characteristicsHardened mineral and proprietary namesSapphire hardness and chipping risksAnti-reflective coatings and durabilityCrystal fitting, gaskets, and tension ringsLesson 7Materials for cases and bracelets: stainless steel grades, titanium, precious metals, plating typesExplore case an bracelet materials, including steel grades, titanium, an precious metals. Learn how hardness, corrosion resistance, weight, an workability influence machining, finishing, soldering, repair options, an long-term wear behavior, true.
Stainless steel grades 304, 316L, and 904LTitanium grades, weight, and workabilityGold, platinum, and two-tone constructionsHard gold plating and microns of thicknessIon plating and colored case coatingsBracelet link wear and stretch mechanisms
