Eterna-Matic Ladies Watch Value Guide

The Eterna-Matic Ladies Watch represents a pivotal era in Swiss horology, featuring the revolutionary ball-bearing rotor system introduced in 1948. This specific 1955-1965 model is highly collectible for its blend of mid-century stainless steel aesthetics and the historical significance of the Eterna-Matic movement.

What affects the value of Eterna-Matic Ladies Watch?

• The presence and clarity of the original sunburst finish on the dial significantly impact the $150-$165 valuation.
• Mechanical condition of the ball-bearing automatic movement and its service history.
• The physical state of the stainless steel case, specifically looking for sharp edges and lack of over-polishing.
• Authenticity of the crown and the integrity of the acrylic crystal.

How to Identify Eterna-Matic Ladies Watch?

• Look for the signature five-ball-bearing logo prominently displayed on the sunburst dial.
• Verify the 'Swiss Made' marking at the bottom of the dial beneath the six o'clock position.
• Check for the authentic stainless steel case construction and the original acrylic crystal.
• Inspect the automatic movement for the distinctive oscillating weight supported by miniature ball bearings.

History of Eterna-Matic Ladies Watch

Eterna revolutionized horology in 1948 with the introduction of the Eterna-Matic, the first automatic watch to use ball bearings to support the oscillating weight. This innovation significantly reduced friction and wear, leading to the five-ball-bearing logo visible on the dial of this specimen.