| Brand: | Rolex |
|---|---|
| Family: | Rolex > Rolex Calibers > 4030 family |
| Reference: | 4030 |
| SKU: | Rolex4030 |
| Name: | Rolex Caliber 4030 |
| Produced: | 1988-2000 Discontinued |
| Country of Manufacture |
|---|
| Base | |
|---|---|
| Movement type | |
| Certification | |
| Functions | |
| Chronograph |
Column wheel, 60-second counter, 12-hour counter, 30-minute counter |
| Power reserve | |
| Jewel | |
| Display |
6 hands, Central seconds chronograph hand, Small seconds hand at 9:00, Central hour hand, Central minute hand, 30-minute chronograph hand at 3:00, 12-hour chronograph hand at 6:00 |
| Frequency |
| Lift Angle | |
|---|---|
| Rotor style | |
| Rotor winding direction | |
| Anti-Shock System | |
| Escapement | |
| Balance | |
| Balance Spring | |
| Number of parts |
This self-winding chronograph movement bases on the calibre El Primero by Zenith (Calibre Zenith 400) and has been modified by Rolex.
The fast-oscillating Zenith calibre has been clocked down from 36,000 A/h to 28,800 A/h and has been provided with a Breguet hairspring and with microstella screws.
It was used in the model Rolex Oyster Perpetual Cosmograph Daytona till 2000. Afterwards it was replaced by the Rolex-own development Rolex 4130.
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