Frederique Constant Horological Smartwatch
Most Frederique Constant Horological Smartwatch references take a 22 mm watch strap: 3 of 5.
Frederique Constant Horological Smartwatch lug width by case size
5 references measured. Updated 2026-10-29.
| Case | Lug width | References | Watch strap attachment | For example |
|---|---|---|---|---|
| 42 mm | 22 mm · 20 mm on 2 | 5 | — | FC-285B5B6B, FC-285S5B6B, FC-285V5B4 |
References that take a different watch strap
- FC-285B5B6: 20 mm, not the 22 mm of most 42 mm cases
- FC-285S5B6: 20 mm, not the 22 mm of most 42 mm cases
Every Frederique Constant Horological Smartwatch reference
Other Frederique Constant families
Inside each one the lug width often changes: it is the reference that decides.
All Frederique Constant families → · Why the size changes inside a family →