The 967 is an automatic movement used in two "Night & Day" watches. It is a simple movement with hours, minutes, optional center seconds, and a 24 hour dial at 6:00. Designed to be extremely compact, the 967 movement runs at 28,800 A/h, has 28 jewels, and a power reserve of 42 hours.
There are two versions of Calibre 967 currently in production:
- 967A is a round calibre, used in the 39 mm stainless steel Jaeger-LeCoultre Rendez-Vous Night & Day and includes center seconds but uses the 24 hour dial only as a day/night indicator with a decorative sun/moon disc. 967A is made up of 214 parts.
- 967B is a rectangular calibre, used in the Jaeger-LeCoultre Grande Reverso Night & Day and lacks center seconds but uses the 24 hour dial to show the correct hour, along with a tinted day/night indicator. 967B is made up of 200 parts. In the Jaeger-LeCoultre Grande Reverso Automatic, Cal. 967B is used only for hour, minute, and 24 hour time.