Watch Movement Calendar Mechanism - Exploded Parts Diagram
Exploded parts diagram for the calendar mechanism of a Citizen watch movement, caliber 5500-4. This technical illustration details the complete date-display assembly with all numbered components clearly identified. The diagram shows the date wheel assembly (308), calendar wheel ring (108), the cam and lever drive system (713, 929, 293), supporting gears (103, 075), and both upper and lower calendar wheels with the date indicator mechanism. Component references 178, 308, 929, 293, 108, 116, 713, 109, 103, and 075 are precisely located. Essential reference material for watch movement service work, repair procedures, and parts identification during calendar mechanism maintenance or overhaul.
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