3620 Chinese Mechanical Manual Wind Watch Movement is a large gents movement 16 1/2 ligne (36.60 mm) with a total height of 4.50 mm. This movement features a manual winding, small second, shock protected, 18,000 beat, stem is at the 3 o'clock position, second hand is at the 6 o'clock position. This movement is a new movement, but may require cleaning and lubrication before installation. Hand dimensions are 200/115/27 (hour/minute/small seconds). This particular movement is used in large wrist watches as well as pocket watches.

Movement Interchange
Longines 507.2
Unitas 6498
ETA 6497