Seiko Cal. 4523 - 147

The 4523-147 is a sought-after Spring Drive piece from Seiko's golden era. With its 18mm lug width and 9.7mm profile, it sits comfortably on most wrists. [seikata-wm-0d54171f9e30]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

43mm

Case Thickness

9.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Champagne

Jewels

28j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1980

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