Roamer 521, NOS Complete movement

• NOS Roamer cal: 521 movement in very good condition, comes complete without the hour wheel. Service is needed.

Technical data: (MST) Roamer 521

• 17 jewels, manual wind, sweep second, quickset date, hack feature.
• Size: 11.5''' 26.6 mm.
• H: = 3.90 mm.
• N: = 21.600 A/h.
• Power reserve: 55 h.
• Mainspring: 1,30 x 10,5 x 0,112 x 340 mm.

Versions: suffix: -1 minor modifications.

• 520: manual wind.
• 521: manual wind, date.
• 522: automatic wind, date.
• 523: automatic wind, day, date.