10 1/2”’ | Hand Wind | Swiss Lever | Sweeping Seconds |

Remarks:

• Balance bridge instead of balance cock
• “Hole” and “cap jewels” of the balance bearings are made of metal, not rubies (see extra picture)
• Riveted click
• The head of the dial screws directly clamp the dial feet
• According to Barrie Smiths (Smiths Watches, Pierhead Publications Ltd., 2009), the movement belongs to the so-called Streamline series.
  Known members of this family:
  • Smiths 602
  • Smiths 612
  • Smiths 637

• Listing ID: 13823
• Manufacturer / Brand: Smiths
• Caliber: 602
• Size in French Lignes: 10 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...: Date
• Jewels: 7
• Setting Lever Screw/Pin Position: Left
• Balance Position: Bottom (120 - 240°)
• Shock Protection: M. T. Antichoc
• Beats per hour: 18,000
• Balance Type: Nickel
• Power Reserve: Unknown
• Production Period: Unknown, probably Around 1970
• Country: United Kingdom
• Identification: Wheel train bridge marked with CAL 602. Listed in the book by Barrie Smiths: Smiths Watches, Pierhead Publications Ltd., 2009
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)