Tianjin Seagull T17 ST1731 Movement 2 Hands with Small Second Single CalendarFeature: 100% brand new and high quality. Repair parts for watch movement parts. The product material is durable and has a long service life. Can be used as a spare part to facilitate your replacement of the movement. Item type: Repair tools and kits The size is shown on the listing picture. All dimensions are manually measured with a 5% data deviation. Package Included: 1X watch movement 1X watch stem

1 Pack of Ring

8 mm thickness specification

Size 4 X 1 X 1"" Inches (103 X 25 X 25mm)

Outside Diameter: 28

Watch case diameter:  about 27 mm (including handle)

2 chuncks 0

Ligne size: 11 1/2

It has a diameter of 53mm {2

Dandong Silver Carved Automatic Mechanical Movement Hollow

Secure covers keep oils safe from dust and debirs while the felt pad (located in the center of the oilers) absorbs extra un-used oil

Bare balance wheel at 6 Package Included: 1X watch movement 1X watch stem Not with the battery

the screwdriver can easily secure the drill bit and pull out screws