
Universal Genève Unisonic-Sub, Longines Comet, Omega Seamaster ref. 2576, and a Heuer 3647T
This article highlights several vintage watches, including a Universal Genève Unisonic-Sub with a tuning-fork quartz movement and a distinctive design, a Longines Comet featuring a "mystery dial" with an unusual time-reading mechanism, and an early Omega Seamaster ref. 2576 with Breguet numerals. It also briefly mentions a Heuer 3647T and an Omega Ranchero.
- Universal Genève Unisonic-Sub available for CHF 3,800
- Longines Comet available for $2,450
The Universal Genève Unisonic-Sub is noted for its 43mm size, tuning-fork quartz movement, bright blue bezel, blaze-orange hands with darkened lume, a tetradecagonal ring over the bezel, and a Gay Frères bracelet, presented as a full set with box and papers.
The Longines Comet utilizes a "mystery dial" design with a large central arrow for the hour and a small lumed dot on the outer track for the minutes, powered by the manual Longines Caliber 702.
The Longines Comet example is a yellow "mystery dial" variant, offered as a full set with box and papers.
The Omega Seamaster ref. 2576 mentioned is an early example from 1949 (12M serial) featuring Breguet numerals and radium lume.
A Heuer 3647T is mentioned as being in need of restoration, specifically missing its outer seconds track which functions as a tension ring.