SEAGULL ST2100 Mechanical Automatic Movement Repair Parts ST21 Replaces 2836Requires watch cell (NOT included) Requires watch hand (NOT included) Requires watch stem( included) SEAGULL ST2100 Automatic Movement Outer Diameter: 26. 00 mm Thickness: 5. 30 mm Balance wheel frequency : 28,800 times hour 3 Hands Day & Date Jewels: 28 Silver

solid and durable

7 x 35mm / 1

opens on one end from 0

Length: 10mm

Repair Watch Tool Precision watch screwdriver for watchmaker A set of 10 pcs precision screwdrivers set Whole are made of high quality stainless steel

28mm Head Dimension: Round head: Diameter 3

The twisting motion applies suction to case and unscrews the back allowing to you easily lift the back off the watch

75mm 4 prong

SKU : Bergeon 5444-A(Fine)

31mm base diameter

20pcs per length

OS60 Movement