FEATURES International collection: introduced 1971 Case material: gold plated Vintage Watch Watchcase type: Screw-in MOVEMENTS Movements: Manual winding (mechanical) Caliber Number: 861 Other: Created in 1968 17 jewels until 1992 18 jewels since 1993 Formerly called "27 CHRO C12" Used on second generation "moon watches" TECHNICAL DATA Water resistance: 60 meters Aesthetic Condition*: - signs of normal use on the case - We consider this watch, as shown in the pictures, as Very Good Extras: In-House Test Results**: Bench-run for at least 24 hours. All watch functions tested and operable. Observed rate: performs per manufacturer specs Bracelet Sizing: strap Serial: 32835XXX Service History: unknown *Photographed watch is the actual watch for sale - we do not use stock photos. Photos significantly convey the condition of this watch. Grades are the listing text and pictures summarized into a simple-to-understand score, not to be confused with TZ or other grading systems. **Instantaneous measurements using a timegrapher in 6 positions. Use only as a baseline. Test conditions and wearing habits will affect your results. Unserviced watches are not tested for WR or PR. Bracelet size measured using a ruler or mandrel. A comfortable bracelet size may vary from your measured wrist size. No explicit or implied warranties.