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Alfonso Minondo

Introduction

This Seiko Astron represents the pinnacle of Seiko’s innovation, combining solar power with radio-controlled accuracy for world travelers and collectors alike. Crafted in lightweight titanium, it offers durability and comfort in everyday use.

Historical & Collector Value

The Seiko Astron series is historically significant as the world’s first quartz wristwatch line, introduced in 1969. Since then, Astron has become synonymous with cutting-edge timekeeping, particularly in solar and radio-controlled technology. This model, equipped with the 8B63 caliber, continues the tradition by offering precise world time functionality, making it a desirable piece for collectors seeking technological heritage and modern usability.

Specifications
	•	Brand: Seiko
	•	Model: Astron Radio Wave Controlled World Time
	•	Reference number: 8B63-0BA0
	•	Movement: Solar (Caliber 8B63)
	•	Case material: Titanium
	•	Bracelet material: Titanium
	•	Case size: Approx. 44 mm
	•	Water resistance: 10 bar (100 m)
	•	Functions: Radio-controlled, World Time, Date display, Dual sub-dials (24h and power reserve)
	•	Accessories: Watch only (no box, no papers)

Condition

The watch is in very good overall condition with light signs of wear on the case and bracelet, consistent with careful use. The dial, hands, and crystal are clean and free of visible damage.

Service History
	•	Functionality fully checked – all features are working correctly.
	•	Solar battery and radio-control synchronization confirmed operational.

This ensures peace of mind for the next owner.

Shipping & Customs

The watch will be securely packed and shipped with tracking.
International buyers are welcome. Please note that customs duties and taxes are the responsibility of the buyer.

Watch

Seiko - Astron - 8B63-0BA0 - Men - 2010-2020 

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Location

Italy

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Brand

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Case diameter

42 mm

40 mm

36 mm

41 mm

38 mm

44 mm

43 mm

39 mm

34 mm

35 mm

45 mm

37 mm

32 mm

33 mm

46 mm

30 mm

31 mm

28 mm

26 mm

24 mm

29 mm

47 mm

Greater than 50 mm

20 mm

23 mm

Watch band length

Regular (180–200 mm)

Long (over 200 mm)

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Very short (under 160 mm)

Object

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Book

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Material

Steel

Stainless steel

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Titanium

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Yellow gold

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Condition

Very good - minor signs of wear

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Good condition - used with small signs of ageing

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As new

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Excellent condition - barely used with minimal signs of wear

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

1990-2000

1950-1960

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Seiko - Astron - 8B63-0BA0 - Men - 2010-2020

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