Seagull 17 Jewels ST-6 ST6 Automatic 21600 BPH Watch Movemant

Technical data

Manufacturer - Sea-Gull
Caliber - ST6
Number of jewels - 17
Escapement - Anchor with pallets
Balance - Nickel
Balance cock direction - clockwise
Hairspring stud - moveable
Regulator type Hairspring key
Features - SCD,QG,RDR,AUT
Functions - Hour, minute, second, day, selfwinding
Beats per hour - 21600
Size 111/2'''
The casing diameter is 26.0mm, nominal diameter is 25.6mm, thickness = 7.87
Hand fitting are Hr = 1.34; Min = 0.835mm; Sec = 0.22mm

JEWELS
The ST6 has 17 jewels. No they aren’t real as I’ve often heard people say Jewels are synthetic rubies that are used to reduce friction and wear on moving parts. 

POWER RESERVE
The Power reserve on the ST6 is About 36 hours when the mainspring is fully wound. Most watches have a power reserve of 30 hours or more

Condition : Overall in brand new condition .

Question Are Very Welcome !