Lesson 1Automatic windin parts inspection: rotor bushins, reverser wheels, windin pawls, an reduction gear tooth checksInspect automatic windin systems fi wear an play in rotors, reversers, an reduction gears, ensure efficient bidirectional windin an prevent noise, drag, or early failure after reassembly.
Rotor endshake and sideplay evaluationRotor axle, bearing, or bushing wearReverser wheel function and backlashPawl and click engagement surfacesReduction gear tooth and profile checksLesson 2Gasket an case component handlin: removal, inspection, measurement fi replacement, an preservin embedded diamonds/stone setinsLearn right removal, inspection, an measurement a gaskets an case parts while guardin diamonds an stones, ensure water resistance, structure, an preservin delicate setins durin full service.
Case opening without stressing settingsGasket extraction and contamination controlDimensional checks and hardness assessmentIdentifying deformed or cut gasket profilesProtecting bezels with diamonds or stonesLesson 3Protectin case an jewelry finishes durin service: non-abrasive clamps, protective films, padded holders fi stones an white gold surfacesUse methods fi shield cases an jewelry finishes durin service, wid non-abrasive clamps, protective films, an padded holders dat prevent marring polish, brush, stone-set, or rhodium surfaces.
Case holders with soft, shaped jawsProtective films on lugs and bezelsSecuring bracelets with stone settingsHandling white gold and rhodium platingFinal wipe-down and inspection for marksLesson 4Record-keepin a replaced parts, sourced original vs. OEM equivalents, an documentin any necessary jeweler referrals fi stone tightenin or gold repairSet strict records a replaced parts, separate original from OEM equivalents, an document jeweler needs fi stone tightenin, prong repair, or case metal fix fi keep traceability.
Service envelopes and job numberingListing original versus OEM componentsRecording serials, calibers, and datesDocumenting stone or case risk notesReferral forms for external jewelersLesson 5Step-by-step movement disassembly sequence fi chronometer movements: removin rotor, bridges, gear train, escapement, balance, barrel, an keyless worksFollow precise, repeatable disassembly order fi chronometer movements, cut risk to pivots, jewels, an escapement parts while keepin orientation fi reliable reassembly an timin.
Pre-disassembly checks and power let-downRotor and automatic module removalBridge and gear train extraction orderEscapement and balance safe handlingBarrel, keyless, and motion works removalLesson 6Cleanin strategy: ultrasonic cleanin cycles fi non-lubricated parts, solvent choices fi jewels an gold components, an dryin protocolsDesign cleanin workflows usin ultrasonic machines an right solutions fi steel, brass, jewels, an gold, wid controlled rinsin an dryin fi avoid residue, spots, or damage to finishes.
Pre-cleaning degreasing and sortingBasket loading and part segregationUltrasonic cycle time and temperatureSolvent selection for jewels and goldDrying methods and contamination checksLesson 7Inspection procedures under loupe an microscope: checkin jewel bearin integrity, pivot wear, bushins, an platin corrosionUse structured inspection under loupe an microscope fi jewel bearings, pivots, bushins, an plating, spot wear, cracks, corrosion, an old repair traces dat affect reliability an amplitude.
Loupe magnification selection and useMicroscope setup and contrast controlJewel seating, chips, and cracksPivot polish, straightness, and shouldersBushing ovality and plating lossLesson 8Controlled environment preparation: bench setup, anti-static mats, soft paddin, stone-safe trays, an parts organization (numbered trays)Prepare controlled, no-dirt bench fi jeweled watches, focus on anti-static, soft protection, stone-safe trays, an systematic labelin fi prevent mix-ups or damage.
Lighting, magnification, and bench ergonomicsAnti-static mats and grounded tool placementSoft pads and dust-free surface managementStone-safe trays and lined parts containersNumbered trays and labeling conventionsLesson 9Barrel an mainspring evaluation: mainspring testin fi set, measurements fi replacement spec, an barrel wall/jewel condition checksBuild systematic way fi check barrel an mainspring health, includin set tests, visual checks, measurements, an inspect barrel walls, arbors, an jewels fi wear or scores.
Safe barrel opening and mainspring removalVisual inspection for set and surface cracksMeasuring length, width, and thicknessChecking barrel wall, floor, and arbor fitJewel and bushing wear around barrelLesson 10Safe removal a hands an dial wid protectin di dial an applied markers, securin dial feet an preservin finishinMaster safe techniques fi removin hands an dials while protectin fragile finishes, markers, an dial feet, usin levers, guards, an supports fi avoid bend, scratch, or flake.
Hand levers, protectors, and supportsCentering and lifting sequence for handsDial protector placement and selectionDial foot screw and clamp handlingStoring dials to avoid finish damage
