Movement dimensions:
28.40 x 31.25

Thickness :
4.00 mm

Number of jewels:
25

Balance:
CuBe, 4 arms, 4 setting screws, moment of inertia 7.5 mg•cm2, angle of lift 50º

Frequency:
28,800 vph (4 Hz)

Balance spring:
AK3

Shock protection:
INCABLOC 908.22.211.100 (transparent)