Vintage {Prof. SERVICED} ShangHai 114 Diver SS4 Chinese Military Watch (1540)

(Caliber: original, 24 Jewels (correct to the model) ss4. Dial matches the machine in jewel count. Stamped deeply and cleanly. Excellent condition! SS4 marked on the main plate. Repeat until reaching the desired date, and lastly 4) push the crown back in (takes a little bit of pressure) and screw the crown closed and that’s it!