Alpina Caliber Al 650 Al650

Alpina Caliber AL-650

Alpina Caliber Al 650 Al650

BrandAlpina
Caliber NumberAL-650, AL650
In-House?
No
Exclusive?
Yes
Base Movement
Sellita SW461-1 (previously ETA 6498-1)
Movement TypeAutomatic, self-winding mechanical, regulator
Lignes13.75”’
Diameter
31mm
Height
Unconfirmed (base SW461-1 is 5.67mm but the AL-650 may be different)
Jewel Count
31
Beat Rate / Frequency
28,800 bph / 4 Hz
Lift Angle
50 degrees
Power Reserve
38 hours
Hand-Windable?
Yes
Anti-Shock Device
Incabloc
Regulator
Etachron
Hand Count3
FunctionsOffset hours at 10:00; central minutes; small seconds at 6:00
Hacking Seconds?
Yes
Country of ManufactureSwitzerland, Swiss made
Known Models
Alpina Extreme Regulator Automatic (Ref: AL-650DGN4AE6, AL-650B4AE6, AL-650NDG4AE6B) (Add your watch to the comments below…)

The Alpina caliber AL-650 is an automatic regulator style watch movement with an asymmetric hand layout.

Reference numbers of watches with the AL-650 will typically start with AL-650.

Base Caliber:

While the AL-650 used to be marketed as being based on the ETA/Unitas 6498-1, current models powered by the AL-650 are based on the Sellita caliber SW461-1.

The SW461-1 is a large size automatic movement (31mm compared to the SW200-1 at 26mm). It is not a regulateur style movement, but rather a small seconds movement (central hours and minutes, small seconds at 6:00).

Caliber Commentary:

Since the caliber evolved to become based on an entirely new framework, Alpina should have considered creating a new caliber number to avoid caliber confusion in the community.

Additional Resources:

Seagull Caliber St19

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