Watch Glossary
1676 horological terms explained
Historic movement used in Speedmaster Professional, column wheel chronograph, hand-wound
In-house movement, dual barrels, 60-hour reserve, integrated chronograph mechanism
Master Chronometer certified, antimagnetic, 60-hour power reserve, chronograph capability
Omega's modern automatic movement with Master Chronometer certification and enhanced antimagnetic properties.
The balance wheel and hairspring assembly that regulates the watch's timekeeping rate.
Quality control procedure verifying Breguet overcoil radius uniformity across full circumference.
Mathematical alignment angle where Breguet overcoil terminal meets hairspring plane.
Breguet overcoil design feature minimizing rate variations across amplitude spectrum.
Natural oscillation rate of Breguet overcoil structure independent of balance wheel.
Measurement of resistance to flexing in a Breguet overcoil's terminal curve.