Seiko Cal. 4521 - 870

The Seiko 4521-870 represents an important milestone in Seiko's 1988 lineup. Powered by the 4521 caliber with 36j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-462b4f5c585f]

Also known as: Crown

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

15.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Green

Jewels

36j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1988

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