Derby 33

 
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Derby 33

Description

This is a beautiful old-style swiss movement with the old Inabloc shock protection type, which is pretty rare to find nowadays.

This movement is adjusted in three positions and is unmarked, but a fellow collector identified it.

Derby 33 dial side

Derby 33 dial side

Technical data

Manufacturer:Derby
Caliber:33
Number of jewels:15
Escapement:Pallet lever
Shock protection(s): Incabloc (old)
Balance bearing / direction hairspring:Clockwise
Moveable stud:no
Adjust mechanism:Long regulator arm
Construction:
  • lever
  • escape wheel, seconds wheel, third wheel, center minute wheel
  • mainspring barrel
Winding mechanism:yoke winding system
Setting lever spring:3 hole(s)
Features:s
Functions:hour, minute, second
A/h:18000
Size:10 1/2'''
Literature: Flume: 1947 32

Usage gallery

Mobilia Preserval Incassable gents watch

Mobilia Preserval Incassable gents watch

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