Manufacturer:

• Rolex

Description:

• Self-winding movement, bi-directional winding
• Breguet hairspring
• Chronometer certificate (COSC)
• Escapement Stone lever
• Yoke winding system
• Glucydur balance wheel, flat hairspring
• KIF shock protection

Functions:

• Central seconds
• Rolex 2135 quickset date feature

Data:

• ? lignes
• D 20 mm, H 5.83 mm
• 29 jewels
• 28,800 A/h
• Power reserve 42h

Production period:

• 1983-?, afterwards Rolex 2135.