Franck Muller
Franck Muller Crazy Hours 7850 Large Size 7850CH
The Franck Muller Crazy Hours 7850 Large Size (reference 7850CH) is a rose gold watch with a silver dial.
Specifications
Case
- Reference
- 7850CH
- Collection
- Crazy Hours
- Case material
- Rose gold
Dial and bezel
- Dial
- Silver
Dial versions
This reference was made with these dials and finishes.
7850CH Silver
Silver
How it compares within the Crazy Hours family
Side by side with other references in the same collection, from the catalog.
| Reference | Size | Material | Dial | Caliber | Years |
|---|---|---|---|---|---|
| 7850CH (This watch) | — | Rose gold | Silver | — | — |
| 1200CHD | — | White gold with diamond bezel | — | — | — |
| 5850CH | — | White gold | — | — | — |
| 5850CHCODR | — | Rose gold | — | — | — |
| 7850CHCODR | — | Rose gold | Blue | — | — |
| 7851CH | — | White gold | — | — | — |
About the Crazy Hours family
Crazy Hours, introduced in 2003, is one of Franck Muller's best-known complications. The hour numerals are placed out of order around the dial, and the hour hand jumps to the correct numeral each hour, while the minute hand moves normally. It is a playful idea built on a real mechanical complication.
The catalog includes Crazy Hours in the Cintrée Curvex case (references such as 5850CH and 7850CH) and in the rectangular Long Island case, in rose gold and white gold, some with diamond-set bezels. Buyers check that the hour hand jumps cleanly at each hour and that the dial and case match the reference.
Quick answers
- What is the Franck Muller Crazy Hours 7850 Large Size 7850CH made of?
- The case is rose gold.
Catalog facts checked October 2026.