Jewelry price guide

Vintage G-S Flexo CMY299-50 cylinder watch crystal, specifically designed for Gruen watches. Measures 22.4mm x 19.6mm. New old stock in original paper envelope.

A vintage SUC (Standard Unbreakable Crystal) brand replacement acrylic watch crystal, model C119, designed for Gruen C142E 12.6 watches. New old stock in original packaging.

A vintage GS (Germanow-Simon) Flexo acrylic watch crystal, model T676, designed for Longines Inclinex (MB) watches. The crystal measures 21.5 x 18.2 mm and is typically sold as new old stock in its original protective paper envelope.

Vintage G-S Flexo CC270 cylinder watch crystal in original packaging, sized 11.0 x 11.0 mm for Gruen watches.

Vintage SUC (Standard Unbreakable Crystal) brand replacement watch crystal, model C100, designed for Gruen C115D 10.8 watch movements. New old stock in original paper packaging.

Vintage G-S Flexo replacement watch crystal, model H397, sized 13.0 x 11.9 mm for the Gruen Janice watch model. New old stock in original packaging.

Vintage G-S Flexo CQ357 replacement watch crystal. This is a square cylinder acrylic crystal measuring 20.5mm by 20.5mm, designed for use with Gruen watch models 794/415. It comes in the original manufacturer's paper identification sleeve.