AHO 1057

 
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AHO 1057

Description

A true rarity is the AHO caliber 1057, one of the rare handwinding movements from August Hohl in Pforzheim, Germany, who sold watches under the label “Constanta”. Even when these movements can compete with swiss movements, not many of them are still available on the second hand market.

The 10 12 ligne movement (measured 10 14 lignes) impresses by its classical construction and most of all by its sandwich construction, which was required for the indirectly driven center second hand. The angled plates are visually very appealing.

The screw balance is secured in two Super-Shock-Resist protection systems; on the dial you find the classic yoke winding mechanism. Both are typical features of a “better” movement.

AHO 1057 dial side view

AHO 1057 dial side view

Technical data

Manufacturer:AHO
Caliber:1057
Number of jewels:17
Escapement:Pallet lever
Balance types: Nickel screw balance
Shock protection(s): Super Shock Resist
Balance bearing / direction hairspring:Clockwise
Moveable stud:no
Adjust mechanism:Long regulator arm
Construction:
  • lever
  • escape wheel, seconds wheel, third wheel, center second pinion
  • center minute wheel, mainspring barrel
Features:SCI
Functions:hour, minute, second
A/h:18000
Size:10 1/4'''
Literature: Flume: 1958 g.10

Usage gallery

Nibo mens' watch

Nibo mens' watch

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