RIMANA INDUSTRIAL

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G-S Supplies, Inc. is a third-generation family-owned and woman-owned manufacturer and distributor headquartered in Rochester, New York. Founded in 1916 as the Germanow-Simon Machine Company, the firm has established a global reputation for precision manufacturing in glass and plastic materials. The company is SAM-registered and recognized as a Minority/Women-owned Business Enterprise (MWBE), operating a production facility that employs between 11 and 50 professionals.

The company specializes in three core areas: precision adhesives, watch crystals, and industrial glass or plastic components. Their flagship product, G-S Hypo Cement, has been a market standard since the 1930s, offering optically clear bonding for non-porous materials with pinpoint accuracy. As a leader in the horological and jewelry industries, they have manufactured watch crystals since the 1920s, maintaining thousands of stock sizes in plastic, mineral glass, and sapphire glass for vintage and modern timepieces.

Beyond its standard product lines, G-S Supplies, Inc. provides comprehensive custom manufacturing services, including design, reverse engineering, and fabrication of instrument windows, gauge crystals, wearable technology displays, and glass for lockets or pendants. They also serve as a major distributor of specialty tools, supplying precision hand tools, tweezers, pliers, soldering equipment, and vision aids to the industrial, optical, and craft sectors. Their diverse capabilities allow them to support a wide range of applications from aerospace and medical instrumentation to fine jewelry making and watch repair.

G-S Supplies, Inc.

Plastic

Gauge Crystals

Sapphire

The G-S Watch Crystals &amp;amp; Supplies Catalog incorporates information from all G-S catalogs and supplements released from the 1950s through today. This catalog includes crystal images in alphanumeric order of the complete collection of G-S Cylinder Fancy, Flat Fancy and PA Waterproof plastic crystals.
This catalog is an excellent resource and reference tool, designed for use by watchmakers, watch manufacturers, crystal fitters, jewelers, jewelry designers and hobbyists to accurately select the appropriate watch crystal. Manufacturing jewelers use G-S crystals for lockets, pendants, mountings and other unique jewelry designs.
The catalog displays images for each Cylinder, Military Cylinder and Flat Fancy crystal with a top (overhead) view. The shaded section within each image shows the side (cross-sectional) view. In the PA Waterproof crystal section, since all crystals are round, only the side view is shown. Dimensions are shown in millimeters under each image, along with other identifying information, when available.
Our stock plastic and mineral glass crystals are an excellent resource for prototypes and development projects that require an optically clear watch crystal, window or cover. [Click here](/s/G-S-CRYSTALS-Summary-sheet-No-date.pdf) for a 2-page document with summary information about the mineral glass and plastic crystal styles that we stock.

G-S WATCH CRYSTAL CATALOGS

Custom Manufacturing

Retail display box available

For more information regarding pricing and wholesale discounts, please contact us or shop online at the ToolsGS store at Amazon.com.

G-S Supplies, Inc.

Supplier details

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