Sargent e Greenleaf Movimento per timebination e time lock RST

Descrizione

Sargent e Greenleaf Movimento per timebination e time lock RST

Fits three-movement and two-movement time lock cases. The reset movement can be set up to 144 hours. This is a “gradual unlocking” device. It can be back-wound if too much time is accidentally wound onto the movement. Precision made, 13-jewel, Swiss mechanism.