The Most Complex Watch in the World: Patek Philippe Calibre 89

With 33 complications, 1728parts, and weight almost 3lbs, the Calibre 89 is no doubt the most complex watch in the world. It was created in 1989 to celebrate the 150th anniversary. There are only four available in platinum, white gold, rose gold and yellow gold.


                 

Movement

(From the front to the back)

                

                    

Dials

1. Day of the month	7. Chronograph	13. Minutes Hands
2. Hour Hands	8. Seconds hand	14. Chronograph counter
3. 12-hour recorder	9. Moonphases	15. Power Reserve
4. Up-down chime	10. Winding crown position indicator	16. Month
5. Day of the week	11. Century decade and year displays	17. Split second hand
6. Hour of second time-zone	12. Leap Year Indicator	18. Thermometer

19. sidereal time hour hand	22. Time of sunrise	25. Star chart
20. Date of Easter	23. Equation of time	26. Sun hand
21. sidereal time minute hand	24. sidereal time second hand	27. Time of sunset

Source