Watch & Gauge

G-S Plastic Watch Crystals

Insist on G-S – The Original – Still the Best

G-S Supplies has been manufacturing and distributing plastic watch crystals since the early 1920's.

Our warehouse in upstate New York has in stock over 8,000 sizes in 48 different crystal styles.

Our crystals fit many watch brands and models, from classic watches and retro watches to the latest designer models.

G-S Cylinder, Flat, and PA Waterproof watch crystals have unique alphanumeric ID numbers. Please see Catalog 2006 for a complete, sequential reference guide with actual size images of each crystal.

The following G-S plastic, round watch crystals are measured in millimeters: AT, CDE, CFT, CT, DT, ET, MT, ST, TR, TT, WT.

The G-S plastic, round watch crystal numbering system for HC, KT, PHD, PK, PKH, VT, W, and XHD is unique and was originated by G-S in the 1920's. Please see the attached chart [PDF format] for G-S round crystal sizes and their corresponding millimeter sizes.

G-S watch crystals are available at watch material distributors all over the United States and Canada.

A note for watch collectors, hobbyists and enthusiasts: We are a manufacturer to specifications and distributor of plastic and glass watch crystals. We do not actually employ a watchmaker who would know exactly what crystal fits specific watch cases/models. Many of our watch crystals fit many different brands and models. We always recommend taking watches to a qualified watchmaker or jeweler who fits watch crystals to ensure that a new watch crystal is fitted properly. Many jewelers provide this service. The good news is that there are thousands of stock plastic and mineral glass watch crystals, so chances are good that a local jeweler who repairs watches should be able to find a suitable match and fit your watch properly.

Below you will find a brief overview of the available G-S plastic crystal styles and size ranges.




AT ANGLE-TITE SEIKO STYLE
Flat top angled side with white and yellow step style rings.
AT 15.0mm to 35.0mm (0.1mm increments)

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C CYLINDERS
Cylinder Fancy Crystals with flat or Military curved lower edge
26 styles
Men's and women's sizes

CDE DIAMOND EDGE
CDE 8.4mm to 20.4mm (0.1mm increments)
CDE 20.6mm to 34.6mm (0.2mm increments)


CFT FLAT TOP
CFT 8.4mm to 20.3mm (0.1mm increments)

CT CURV-TITE
Slight dome with polished beveled edge
CT 18.0mm to 36.0mm (0.2mm increments)

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DT DIVER-TITE
Double thick waterproof with ring
DT 24.5mm to 34.9mm (0.1mm increments)

ET EVR-TITE
Waterproof with white or yellow rings
ET 15.0mm to 36.0mm (0.1mm increments)

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EW EXTRA-WIDE RINGS
Fits all G-S ring style crystals where white or yellow wide ring is required
14.0mm to 35.0mm (0.1mm increments)

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F FLAT FANCY
Flat Fancy Crystals without sidewalls
1.1mm thin (.043")

HC HUNTING CASE
HC 15 to 52 (22.2mm to 45.7mm) (1/4 sizes)

KT KLEER-TITE
Clear for thin round watches
KT 3 to 32 (14.6mm to 33.0mm) (1/4 sizes)
1.6mm thick

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MT MAGNI-TITE
Extra large magnifier waterproof with white and yellow rings
MT 27.5mm to 35.0mm (0.1mm increments) with corresponding centerpost distances

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PA WATER-PROOF
Round Waterproof Magnifier Flange, Lip Flange, and Ring Style Crystals

PHD HI-DOME
With step for easy fitting
PHD 8.4mm to 12.7mm
PHD 1/4 to 43 (12.8mm to 40.0mm)
PHD 1/4 to 30 (1/4 sizes)
PHD 30-1/2 to 37 (1/2 sizes)

PK LO-DOME
For thin watches with step for easy fitting
PK 8.4mm to 12.7mm
PK 1/4 to 37 (12.8mm to 36.2mm)
PK 1/4 to 30 (1/4 sizes)
PK 30-1/2 to 37 (1/2 sizes)

PKH FOR POCKET WATCHES
With step for easy fitting
PKH 37-1/2 to 70 (36.5mm to 57.1mm) (1/2 sizes)

ST STEP-TITE
Waterproof with white and yellow step rings
ST 15.0mm to 34.5mm (0.1mm increments)

TR THIN-RINGLESS
For very thin watches not requiring rings
TR 15.0mm to 36.0mm (0.2mm increments)

TT THIN-TITE
Very thin with white or yellow rings
TT 15.0mm to 36.0mm (0.1mm increments)

VT VERI-THIN
Clear for ultra-thin watches
VT 3 to 32 (14.6mm to 33.0mm) (1/4 sizes)
1.0mm thin (.040")

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W MICON
Flat for gauges
W 8 to 100 (17.7mm to 76.2mm) (1/2 sizes)

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WT WIDE-TITE
With extra wide white and yellow rings
WT 29.5mm to 31.9mm (0.1mm increments)

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XHD EXTRA HI-DOME
For crowned dials with step for easy fitting
XHD 18 to 35-1/2 (24.1mm to 35.2mm) (1/4 sizes)

 

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