11 1/2”’ | Hand Wind | Swiss Lever | Direct Sweeping Seconds |

Remarks:

• Spiral key consists only of a strip of sheet metal open at the bottom
• No dial screws, but clamps
• Modified setting lever spring compared to the Durowe/INT 7420/2
• Movement comes from a watch of the Indian brand Jayco

• Listing ID: 3952
• Manufacturer / Brand: Jayco / Durowe / INT
• Caliber: Jayco 95 = Durowe 7420/4 / INT 7420/4
• Size in French Lignes: 11 1/2'''
• Size range mm largest diameter: 22 - 31 mm
• Shape: Round
• Winding: Manual (Crown)
• Hands Setting: Crown
• Seconds Hand: Sweeping seconds (central seconds)
• Escapement: Lever (Swiss, English, Glashütte)
• Date, Day, Month...: None
• Jewels: 17
• Setting Lever Screw/Pin Position: Right
• Balance Position: Bottom (120 - 240°)
• Shock Protection: Rufa-Anti-Shock
• Beats per hour: 21,600
• Balance Type: Nickel
• Power Reserve: 42 hours
• Production Period: Unknown, probably around 1980
• Identification: Marked INT 7420/4 under the balance. Wheel train bridge marked JAYCO 95. Not listed in any movement identifier known to me.
• External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/page-17#post-2817980
• Country: Germany / India
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)