Premier JB2120A61B1P1
Breitling Premier Heritage B21 Chronograph Tourbillon Gaston Breitling
- Movement
- Caliber B21
- Case width / diameter
- 42 mm
- Thickness
- 15.3 mm
- Years
- Unknown
14 references currently carry this movement label across 1 brands. 6 have an indexable exact-reference page. The movement page is a linked index; exact technical claims remain on the reference records and their evidence panels.