Seiko Cal. 4521 - 768

The Seiko 4521-768 represents an important milestone in Seiko's 1976 lineup. With its 22mm lug width and 12.9mm profile, it sits comfortably on most wrists. [seikata-wm-714d6b11ec9a]

Also known as: Sea Horse

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

45mm

Case Thickness

12.9mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1976

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