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General| Movement Type | Quartz |
|---|---|
| Caliber | 6N76A |
| Display | Analog |
| Battery Type | SR621SW |
| Case Material | Stainless Steel |
| Functions | Date |
| Battery Life | Approx. 3 years |
| Band Material | Stainless Steel |
| Water Resistance | 50 meters |
| Crystal | Hardlex |
Highlights the key characteristics of the Cal. 6N76A, focusing on its Big Date calendar and legibility.
Lists essential tools and watch oils required for disassembling and reassembling the movement.
Guidance on selecting parts based on case design when caliber number is insufficient for identification.
Provides essential notes and procedures for safely disassembling and reassembling the watch movement components.
Step-by-step instructions for correctly installing the date dial guard onto the main plate.
Procedure for correctly inserting the battery and ensuring proper contact with the battery connection.
Instructions for correctly attaching the battery connection plus terminals to the main plate.
Notes on securing the insulator correctly to provide insulation between battery connections.
Guidance on correctly positioning the train wheel bridge, noting delicate plastic parts.
Instructions for installing the train wheel setting lever, emphasizing care for its spring portion.
Procedure for carefully removing and installing the pin for the setting wheel, warning about plastic damage.
Instructions for removing and installing the positioning lever, noting it's only possible at the first date indicator notch.
Detailed steps for setting the first and second date indicators at 6 o'clock and 12 o'clock positions.
Provides guidance and notes for performing inspections and measurements on the movement.
Procedure for measuring the total current draw of the entire watch movement.
Procedure for measuring current consumption of the circuit block alone for diagnostics.
Details the structure of the circuit block and how to check coil resistance values.
Step-by-step guide for checking the proper functionality of the watch's setting and calendar mechanisms.
Details the various tests and applied pressures used to verify the watch's water resistance.
Lists common symptoms, possible causes, and solutions for movement and exterior part issues.
