SAPPHIRE Crystal 320W34GA + Blue AR for Seiko Vintage Turtle 6309-7040 7548-7000

Description

About the Product
Item u
p for sale is a custom manufactured
SAPPHIRE
replacement crystal with
optional Blue AR coating made for Seiko vintage
150M 6306, 6309 & 7548 diver watches as following:
150M 6306 & 6309 Family
6306-7000, 6306-7001, 6309-7040, 6309-7049, 6309-7290,
6309-729A & 6309-729B
150M  7548 Quartz Family
7548-7000, 7548-7001, 7548-7009, 7548-700A, 7548-700B,   7548-700C, 7548-700F & 7548-700H
This great quality sapphire crystal is made out of synthetic sapphire material in clear white color not those pinky color  sapphire we often see from many offshore sources. This sapphire crystal is a direct replacement for Seiko long discontinued mineral glass part# 320W34GA, it also come with correct frosted bevel plus optional blue AR (under side of the crystal) at buyers choice. We also offer this same crystal in mineral version with blue AR coating + DIAMA hard coating,
in our eBay store (eBay item# 361373084473)
.
If you are a confirmed Seikohalic or going to join the club, this is a must have upgrade item for your vintage Seiko diver watch collection.
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P
rofessional installation is recommended
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Please visit my eBay store for more quality watch items
.
Shipping and Handling:
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Please refer to shipping section above for both domestic and international shipping services and rates.
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We do combine multiple orders to save you on shipping cost.  Please refer to shipping detail for the cost of each additional item add to the same shipment.
Attention to International customers:
All international orders shipped via USPS most economical first class airmail service or ePacket service with or without tracking depend on the order value.  Registered mail and express mail services can be arranged upon request with additional charge.
Payment Methods:
US Domestic  & International
Valjoux 7750: The World’s Most Iconic Chronograph Movement
Short List of Famous brand Watches that Use the Valjoux 7750 Movement:
Montblanc Star 4810 Chronograph
Certina DS-1 Chrono Automatique
Laco Chronograph Monte Carlo
Hamilton Jazzmaster Maestro Chrono
Longines Hydroconquest Chronograph
Hamilton Khaki Aviation X-Wind Automatic
Xezo Air Commando Chronograph
Fortis Monolith Chronograph
What makes the Valjoux 7750 distinct is that it uses a three-plane cam system.
Incabloc Shock Protection System to protect the calibre in case the user drops the watch or subjects it to physical shock.
7750 (12/6/9 subdials with day/date at 3)
Movement Type/Automatic
Jewels/17
Lignes/13 1/4”’
·
Diameter/30mm
Height/7.9mm
Power Reserve/~48 hours
Lift Angle/49 degrees
Vibrations Per Hour/28,800 (4 Hz)
Shock System/Incabloc
Regulator System/ETACHRON
Chronograph System
Three-plane cam style
Rotor/Ball bearing system
Winding Direction/Uni-directional
Hands
/2mm x 1.2mm x .25mm + 3 x .18mm
Hacking
Features/Hours, minutes, small seconds, central chronograph seconds, 30 minutes counter, 12 hours counter, day, date
Country of Manufacture/Switzerland