Hamilton Caliber 757

Manufacturer	Hamilton
Caliber Number	757
Base Caliber	Hamilton 750
Movement Type	Mechanical, manual-wind
Lignes	5.75”’ x 7.25”’
Diameter	13mm x 16.5mm
Height	3.55mm
Jewel Count	22 jewels
Beat Rate / Frequency	18,000 bph / 2.5 Hz
Lift Angle	Unconfirmed
Power Reserve	~40 hours
Anti-Shock Device	Kif ( Flector)
Balance Wheel	Screw balance
Hairspring	Breguet
Hand Count	2
Hand Sizes	1mm (hrs) / 0.5mm (mins)
Functions	Central hours; central minutes
Country of Manufacture	Made in USA
Known Models	(Add your watch to the comments below…)

The Hamilton caliber 757 is a small American-made mechanical movement found in various vintage Hamilton ladies watches. This caliber was in production since circa 1955.

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