Tianjin Seagull ST19 ST1902 Automatic Mechanical MovementNew China Made Tianjin Seagull ST19 ST1902 Automatic Mechanical Movement Replacement of 7750 hand winding movement The watch hands in the picture is only for the display. All dimensions are manually measured with a 5% data deviation.

Fits Bergeon set-screw style screwdrivers

black or blue parts are ceramic frames

aluminum body has a comfortable feel

272 ETA251

Flat head blade sizes: 2 each of

PVD copper color Shell + orange ring

Total Height: 3

about 150g

Size: around 6

1 x Watch case opener

Watch Part Reduction Wheel Generic for ETA 2824-2 Seagull 2824 Movement

Excellent carbon steel material