Seiko Cal. 4521 - 158

The 4521-158 is a sought-after Spring Drive piece from Seiko's golden era. With its 21mm lug width and 12.8mm profile, it sits comfortably on most wrists. [seikata-wm-06e592d75626]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

39mm

Case Thickness

12.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

120m

Dial Color

White

Jewels

25j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1989

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