Glossary: E
Watch terms starting with E.
Eco-DriveCitizen’s light-powered watch technology that converts natural or artificial light into electrical energy stored in a rechargeable cell.
El PrimeroZenith’s high-frequency automatic chronograph movement family, first launched in 1969.
Elapsed Time BezelA watch function or complication known as Elapsed Time Bezel, adding information or capability beyond basic time display.
Escape WheelThe toothed wheel in an escapement that releases energy to the regulating organ in precisely controlled increments.
EscapementThe mechanism that meters the release of stored energy from a mechanical movement and maintains the oscillator’s motion.
Everose GoldRolex’s proprietary 18 ct rose-gold alloy, formulated to help preserve its colour over time.
Everyday WatchA watch design or style category known as Everyday Watch, describing its intended use, form or aesthetic character.
Excellent ConditionA buying, selling or valuation term used in the watch market: Excellent Condition.