Watch Glossary

Lightweight, durable leather with natural elasticity and unique grain pattern

Rotating cage carrying escapement and balance wheel, precursor to tourbillon design.

Small loop on a strap that holds the excess strap length in place.

Rolex GMT-Master II with green aluminum bezel released in 2005

Green Submariner with green bezel, nicknamed after Kermit the Frog character.

High-strength synthetic fiber strap, lightweight and heat-resistant material

Mechanical system allowing crown to wind mainspring and set time without key

Swiss-made shock absorption system protecting pivots from mechanical damage and vibration.

Seiko's electromechanical movement converting automatic winding energy into electrical power.

Rolex's specialized 5N rose gold alloy offering superior hardness and color retention properties.

Watch requiring buyer assembly from pre-made components; common in microbrands

Creating textured ridged patterns on metal surfaces for improved grip on watch components.