Longines L990.1, L990.2, L992.1, L992.2, L993.1, L993.2, L994.1, L994.2 Technical Data
Technical data sheet for Longines automatic calibers L990.1, L990.2, L992.1, L992.2, L993.1, L993.2, L994.1, and L994.2. Document number 18. Covers movement specifications including 11½ ligne round automatic movements with anchor escapement, 28,800 alternations per hour, caliber designation (17 or 25 rubis variants), and basic mechanical characteristics for each caliber variant including second hand configuration, stop-second function, instantaneous date calendar, and three-position correction stem features.
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Document Details
- Format
- Pages
- 6
- Size
- 5.6 MB
- Category
- Watchmaking