![Tissot 27B.1-271029B, Balance staff for Incabloc](http://urdelar.se/cdn/shop/products/0000_tissot_3_d8b719ec-47c5-4385-a88d-5c1c4099149d_{width}x.jpg?v=1674233076)
Tissot 27B.1-271029B, Balance staff for Incabloc
- NOS TISSOT original balance staff, not in factory packaging.
- Fits cal: 27B.1, 27B.2, 27B.21, 27B.621, 27B.9 with Incabloc shock protection.
Versions:
- 27B: sub second. (1950 - 1961).
- 27B.1: sub second, incabloc. (1950 - 1961).
- 27B.2: sweep second. (1950 - 1961).
- 27B.21: sweep second, incabloc. (1950 - 1961).
- 27B.61: sweep second, date hand, incabloc. (1950 - 1961).
- 27B.621: sweep second, date, incabloc. (1950 - 1961).
- 27B.9: no second, incabloc. (1950 - 1961).