Compensating bi-metallic balance, screw balance
The need for precise watches used for the navigation at sea was a driving force to improve the construction of the balance wheel. Already in… Read More »Compensating bi-metallic balance, screw balance
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A Rolex State of Mind
Cutting edge doesn’t even begin to describe Rolex, and yet traditional is only the tip of the iceberg. To fully understand the world’s best loved… Read More »A Rolex State of Mind
Watchmaking – Poising Balance Wheels
Because the balance wheel and hairspring assembly is the time keeping element of a watch, the balance wheel must be properly poised. In the poising… Read More »Watchmaking – Poising Balance Wheels
Omega – The Coaxial Escapement
“The coaxial escapement is the first practical new watch escapement in the 250 years following the invention of the lever escapement by Thomas Mudge in… Read More »Omega – The Coaxial Escapement
What is the Balance of a Watch?
The balance is a bar, balanced by two weights, or a circular ring, with a rim concentric to an axle carrying two pivots, upon which… Read More »What is the Balance of a Watch?
What Are Watch “Jewels”?
A watch movement mostly consists of a number of gears [called “wheels”] held in place by an upper and a lower plate. Each wheel has… Read More »What Are Watch “Jewels”?
The Anti-Shock mechanism on the watches
Anti-shock assemblies are used to protect the upper and lower balance pivots from damage due to external impact on the watch. In some movements, shock… Read More »The Anti-Shock mechanism on the watches
Wheel Work – Terminology
Wheel Work – Terminology Wheel work is the basis for the construction of all instruments for the registering of time.Even the clepsydra, one of the… Read More »Wheel Work – Terminology
How exactly watches work?
Balance wheel with hair spring A watch is a small sturdy machine for telling time, operated by a coiled-spring motor and controlled by the oscillations… Read More »How exactly watches work?
Glossary of Terms – Watches
Addendum -The portion of a tooth of a wheel or pinionbeyond the pitch circle. Arbor – Axis of the balance wheel or mainspring barrel. Balance… Read More »Glossary of Terms – Watches
Venus 150 movement specifications and photo
Venus 150 is Swiss movement from 1960’s. There are two options with 30 and 45 minutes indication on the chronograph. 2 registers on the… Read More »Venus 150 movement specifications and photo
Watch Repair – Poising Balance
The balance wheel must be poised after it has been trued. In closely rated position watches, such as railroad grade, poising of the balance is… Read More »Watch Repair – Poising Balance