Longines 15.23-721, Balance, complete

• NOS Longines original part with one balance screw missing. For parts or repair. Needs to be regulated.

• Fits cal: 15.23

Technical data: Longines cal: 15.23

• 15 jewels, manual wind, hour and minute display.
• S: = oval
• H: = ?
• N: = 18.000 A/h.
• Power reserve:
• Mainspring: 1,20 x 7 x 0,07 x 270  Double brace