Seiko Cal. 4521 - 667

The Seiko 4521-667 represents an important milestone in Seiko's 1983 lineup. Powered by the 4521 caliber with 20j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-e6a916e35f8d]

Also known as: Golden Tuna

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

14.6mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Navy

Jewels

20j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1983

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