Cortébert 616 (16'''), Balance staff, DCN: 1598
- DCN no: 1598
- Length: 412
- Fits caliber: 616, 617, 618
- A: = 412
- B: = 215
- F: = 80
- G: = 111
- H: = 56
Versions:
- 616: 16''' open face, height: 4.7 mm.
- 617: 16''' hunter, height: 4.7 mm.
- 618: 16''' open face, height: 4.7 mm, used by Rolex
- 620: 16''' open face, height: 3.6 mm.
- 622: 16''' hunter, heigth: 3.6 mm.
- 624: 17''' open face, height: 3.6 mm.