Seiko Cal. 4521 - 920

The Seiko 4521-920 represents an important milestone in Seiko's 1968 lineup. With its 22mm lug width and 13.3mm profile, it sits comfortably on most wrists. [seikata-wm-0180d94330dd]

Also known as: Golden Tuna

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

13.3mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Cream

Jewels

23j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1968

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