Products and Services
Adhesives
G-S Hypo Pinpoint Precision Applicator
Available since the 1930s
Wide variety of applications:
Watch & Jewelry Making
Beading
Optical & Industrial Assembly
Hobbies & Crafts
Custom Manufacturing
Watch Crystals & Clock Glass
Glass for Lockets, Pendants & Mountings
Replacement Gauge & Instrument Windows
Wearable Technology & Readout Displays
Gaskets
Production in glass & plastic materials
Reverse Engineering & Design Services
Watch Crystals
Crystals for new, classic and vintage watches
Manufacturing since the 1920s
Thousands of stock mineral glass & plastic sizes
Gauge Crystals
Replacement gauge & instrument windows for popular brands
Production of glass windows for instruments & readout displays
Tools & Vision Aids
Specialty tools for crystal fitting, watch & jewelry making
Precision hand tools & supplies for artisans, technicians & hobbyists
Large & small magnifiers & loupes
About Us
G-S Supplies, Inc., originally known as Germanow-Simon Machine Company, was founded in 1916 by Julius Simon and Harry Germanow in Rochester, New York. Today, we are a third generation family-owned, woman-owned, SAM-registered business that strives to continually exceed our customer’s expectations. Read more…