Lemania Caliber 4650
Lemania Caliber 4650

Lemania Caliber 4650

ManufacturerLemania
Caliber Number4650
In-House?
Yes
Movement TypeAutomatic, self-winding mechanical
Lignes10.5”’
Diameter
23.3mm
Height
6mm
Jewel Count
17 or 21
Beat Rate
18,000 vph
Lift Angle
Unconfirmed
Power Reserve
~40 hours
Hand-Windable?
Yes
Anti-Shock Device
Incabloc
Hand Count3
FunctionsCentral hours; central minutes; central sweeping seconds
Country of ManufactureSwitzerland, Swiss made
Known Models
(Add your watch to the comments below…)

Lemania caliber 4650 is a vintage Swiss made automatic watch movement from the 1950s. The 4650 is a true no-date movement with 21 jewels (sometimes 17) and a frequency of 18,000 bph.

This caliber is also used as the basis for other watch brands. For example, the Tissot caliber 23.3R-21 is basically a Lemania 4650 with Tissot branding. If you know of other caliber numbers using the cal. 4650, please leave them in the comments below…

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