Roamer MST 424-200, Centre wheel with cannon pinion

• ROAMER MST original parts from a NOS movement.

• Fits cal: 424

Technical data: (MST) Roamer 424

• 17 jewels, manual wind, sub second.
• Size: 12.5'''  28.0 mm.
• H: = -- mm.
• N: = 18.000 A/h.
• Power reserve: 43 h.
• Mainspring: 1.55 x 0.12 - 350 mm.

• 424:
• 425: Date