You must use a specific seconds hand with an extra long tube. It has 25 jewels with a beat rate of 28,800, 4Hz.
NH34 Automatic GMT Movement, NH34A 4 Hands Mechanical Watch Movement, Genuine
SW 330-2 GMT Automatic Movement , TAG Heuer Calibre 7 , ETA2893 SW330 Compatible
Date @ Automatic Mechanical Movement 4 Hands GMT For Mingzhu 2813 Watch B
Genuine Seiko NH34A NH34 GMT TMI Automatic Watch Movement, 3 o'clock, White Date
New Automatic Mechanical 4 Hands 1-24 Hours GMT For Mingzhu 2813 Watch Movement
Soprod C125 GMT Automatic Movement Decorated Elabore ETA 2893 SW330 Compatible
