Birthday Watch October 1983! Seiko 7431-5130 Chariot JDM Quartz Watch (OH)
Birthday Watch October 1983! Seiko 7431-5130 Chariot JDM Quartz Watch (OH)
Birthday Watch October 1983! Seiko 7431-5130 Chariot JDM Quartz Watch (OH)
Birthday Watch October 1983! Seiko 7431-5130 Chariot JDM Quartz Watch (OH)
Birthday Watch October 1983! Seiko 7431-5130 Chariot JDM Quartz Watch (OH)
Birthday Watch October 1983! Seiko 7431-5130 Chariot JDM Quartz Watch (OH)
Birthday Watch October 1983! Seiko 7431-5130 Chariot JDM Quartz Watch (OH)
Birthday Watch October 1983! Seiko 7431-5130 Chariot JDM Quartz Watch (OH)
Birthday Watch October 1983! Seiko 7431-5130 Chariot JDM Quartz Watch (OH)
Birthday Watch October 1983! Seiko 7431-5130 Chariot JDM Quartz Watch (OH)
Birthday Watch October 1983! Seiko 7431-5130 Chariot JDM Quartz Watch (OH)
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Birthday Watch October 1983! Seiko 7431-5130 Chariot JDM Quartz Watch (OH)

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A BIRTHDAY WATCH IS A WATCH THAT WAS PRODUCED THE SAME MONTH AND YEAR AS SOMEONE'S BIRTHDAY.

Make: Seiko
Type: Analog Quartz
Model: 7431-5130
Year of Production: October 1983
Movement: 7431
Hand and Dial: Mosaic Silver Dial, Baton Index with Sword Hands
Width: 28mm
Lug to Lug Height: 38mm
Thickness: 6mm
Lug Width: 18mm
Bracelet: Brand-New Genuine Sangria Coloured Leather Strap with Silver Buckle
Pouch / Box: Brand-New EVA Type Zipper Pouch


Introduced in December 1969, the Seiko Quartz Astron is often credited as the world's first commercially available quartz wristwatch. Quartz watches use a quartz crystal oscillator to keep time, which is much more accurate than the traditional mechanical movements used in wristwatches at the time.

The quartz movement in the Astron was incredibly precise, with an accuracy of within 5 seconds per month, far superior to mechanical watches of the era.

The introduction of the Seiko Quartz Astron had a profound impact on the watch industry. It marked the beginning of the Quartz Revolution that led to the decline of traditional mechanical watches in the market and the rise of more accurate and affordable quartz timepieces.

Seiko's Quartz Astron was showcased at the Baselworld watch fair in Switzerland in 1970, where it received international attention and acclaim because this watch change horology history forever.

Here we have the Seiko Cocktail Dress Quartz, Model 7431-5130. This is a JDM model with Baton Indices, Sword Hands, and a Mosaic White Dial housed in a silver tank case with a genuine leather sangria coloured strap with silver buckle.

This timepiece was carefully stripped and underwent a good servicing, and its dial was meticulously cleaned, its electronic movement cleaned and touched up, demagnetised, and its battery replaced on 06 March 2024. It should be able to operate unhindered until the next battery change thereby providing the owner peace of mind.

Its well preserved tank case was also given a good clean-up and rub while maintaining its sharp lines and sexy curves. Most imperfections were removed without compromising the case shape. The crystal is original and was given a good rub as well and is also in excellent shape.

The crown is located at its traditional 3H position and is easily accessible.

The case width and height are approximately 28mm (without crown) and 38mm respectively. The lug width is 18mm and the strap can accommodate wrists up to 20cm; hence, this watch is suitable for men and the modern women.

A brand-new crocodile print genuine leather sangria coloured strap with a silver buckle is provided. The buyer has the option to choose a different strap colour from my array of leather straps should he / she wishes to do so.

The watch is 100% original Seiko components from this particular watch. No parts were replaced with aftermarket parts.

This timepiece has not been water-resistant tested due to its age.

The pictures provided shows the watch case in excellent condition and well maintained. It has also been demagnetised to improve parts reliability, minimise wear & tear, and improve accuracy. The only drawback is the lack of documentation and original box. A nice purposeful carrying case or box will be provided instead.

Bear in mind that this watch has seen many of the previous owners’ ups and downs in life, and should be cherished and well taken care of for the next generation to savour such engineering beauty.

Yes, there are many other same models in the market, BUT almost all are not in the same quality condition and as well maintained as what you see here. Hence, it is a no-brainer that this one-of-a-kind timepiece will make an extremely beautiful birthday present for that special someone born in October 1983!

This particular Seiko Cocktail Dress Quartz timepiece is rather rare and can only be found in Japan it seems.

This is a very classy Seiko Evening Dress Cocktail Quartz timepiece in near mint condition; so, be unique and wear something that is almost impossible to source or purchase it for that special someone.

This is a must-have for the Seiko die-hard fan, and in fact, any serious watch collector!

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