Rolex 4030-335, Center wheel w. cannon pinion

• New Rolex original part in factory sealed packaging.

• Fits cal: 4030

Technical data Rolex 4130 (base caliber: Zenith 400)

• 31 jewels, automatic winding, chronograph 60 s, 30 min, 12 h counter.
• S: = 31.0 mm.
• H: = 6.55 mm.
• N: = 28.800 A/h.
• Power reserve: 50 h.