SEAGULL ST6 GMT Mechanical Automatic Movement Watches Repair PartsRequires watch cell (NOT included) Requires watch hand (NOT included) Requires watch stem( included) SEAGULL ST6 GMT Automatic Movement Outer Diameter: 25. 60 mm Thickness: 6. 20 mm Balance wheel frequency : 21,600 times hour 4 Hands Date Jewels: 23

55 mm  x 13

Big Date at 3

200m water resistanceperformance

Round Shape / Base Ø 31 mm / Calibre 12 1/2'''

this movement is modified and altered from original miyota 9100 movement to 9132 caliber

Width: approx

The minute hand(mm): 17

Type : Mechanism Cover Mounted

Applicable Model: for NH35/36/4R Movement

Applicable movement: ETA2824/2836

561 movement

This fine quality steel spring bar tool with replaceable tips is designed to last a lifetime