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The priceless value of Watches, brought to you by {name}


Masayuki Nakai

Introduction
This is a Seiko Astron GPS Solar, reference SBXB085, a cutting-edge timepiece that combines advanced technology with the brand’s renowned watchmaking heritage. As the world’s first GPS Solar watch, the Astron line has set a benchmark in horology, offering precise timekeeping anywhere on the globe with the convenience of solar charging.

Historical & Collector Value
The Seiko Astron series holds a special place in horological history. In 1969, Seiko introduced the world’s first quartz wristwatch under the Astron name. Decades later, the Astron GPS Solar continues this legacy of innovation, delivering atomic clock precision via GPS signals while remaining independent of battery replacement thanks to solar technology. Collectors appreciate the Astron for its fusion of Japanese craftsmanship, technological breakthroughs, and practical everyday usability—making it both a historical milestone and a reliable companion.

Specifications

Brand: Seiko

Model: Astron GPS Solar

Reference: SBXB085

Movement: Seiko 8X22 GPS Solar (quartz, solar-powered, perpetual calendar, world time)

Case material: Titanium

Bracelet material: Titanium

Case size: approx. 45 mm

Serial number: 652455

Accessories: Original Seiko Astron box, spare bracelet links

Condition
The watch is in very good overall condition with minimal signs of wear. The case, bracelet, and sapphire crystal are well-preserved, maintaining the watch’s refined appearance. All functions, including GPS signal reception, perpetual calendar, and time zone adjustment, are operating correctly.

Service History

All functions checked and confirmed operational

Solar battery fully functional and holding charge

This ensures peace of mind and immediate usability for the next owner.

Shipping & Customs
The watch will be carefully packaged and shipped via insured international courier. Please note that import duties and taxes are the responsibility of the buyer.

Quartz - Stainless steel

Seiko - Astron - SBXB085 - Men - 2010-2020 

Watches

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Closing date

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tomorrow

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Location

Italy

Japan

The Netherlands

Türkiye

Spain

France

Latvia

Germany

Poland

Lithuania

Hong Kong

Sweden

Taiwan

Portugal

Romania

Singapore

Austria

Belgium

Switzerland

Hungary

United Kingdom

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Bulgaria

Israel

Slovenia

Brand

Seiko

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Longines

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Hamilton

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Antoine Nicolas 1986

Case diameter

40 mm

42 mm

36 mm

41 mm

38 mm

34 mm

44 mm

43 mm

39 mm

35 mm

45 mm

33 mm

37 mm

32 mm

46 mm

30 mm

26 mm

31 mm

24 mm

28 mm

47 mm

Greater than 50 mm

29 mm

50 mm

25 mm

Watch band length

Regular (180–200 mm)

Long (over 200 mm)

Short (160–180 mm)

Very short (under 160 mm)

Object

Watch

Mechanical watch

Chronograph watch

Pocket watch

Watch winder

Watch accessory

Stopwatch

Watch band

Digital watch

Marriage watch

Chronograph pocket watch

Wristwatch parts

Smartwatch

Clock

Magazine

Clock movement

Chain

Country of origin

Material

Steel

Stainless steel

Gold-plated

Gold/Steel

Titanium

Ceramic

Silver

Yellow gold

Gold-filled

Chromed

Gold

Pink gold

Metal

White gold

Carbon

Bronze

Bioceramic

Plastic

Aluminium

Silverplated

Platinum

Argentan

Gunmetal

Tungsten

Tantalum

Gender

Women

Unisex

Condition

Very good - minor signs of wear

Good - visible signs of wear

Unworn - no signs of wear

Fair - major signs of wear

Unworn

Worn & in very good condition

In working condition with visible traces of use

Worn with little to no signs of use

Good condition - used with small signs of ageing

As new

Excellent condition - barely used with minimal signs of wear

Period

2020+

2010-2020

2000-2010

1990-1999

1970-1979

1980-1989

1960-1969

1900-1949

1950-1959

1850-1900

Earlier than 1850

1970-1980

1920-1930

2011-present

Certification

No laboratory report

Subject

Style

Art Deco

Language

German

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Seiko - Astron - SBXB085 - Men - 2010-2020

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