Certina 330 crown wheel core 420/423

Certina

Founded in 1888 by Adolf and Alfred Kurth, Certina is a Swiss watch brand known for its robust and sporty timepieces, particularly those featuring its DS" (Double Security) concept for enhanced shock and water resistance. The brand has a strong association with motorsports and diving. Famous models include the DS Action Diver, DS Podium, and DS-2, all embodying durability and precision. Certina primarily uses reliable ETA movements, often with custom finishing or Powermatic 80 enhancements, ensuring excellent performance. Certina continues to offer high-quality, resilient watches for active lifestyles."

Other

This category includes watch parts and accessories that do not fit neatly into a single standard product type. These may include small movement components, case parts, decorative pieces, service items, or unusual vintage parts. The category is useful for watchmakers, collectors, and enthusiasts searching for specific components needed for repair, restoration, identification, or completing a watch project.