Seiko Cal. 4528 - 961

This Spring Drive model from 1972 features a 46mm PVD Black case. With its 20mm lug width and 13.1mm profile, it sits comfortably on most wrists. [seikata-wm-f42c493aa2cc]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

46mm

Case Thickness

13.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Champagne

Jewels

27j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1972

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