Seiko Cal. 4573 - 987

The Seiko 4573-987 represents an important milestone in Seiko's 1970 lineup. Powered by the 4573 caliber with 21j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-a35bbf32bb0c]

Also known as: Goldfeather, Crown

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

41mm

Case Thickness

13.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Cream

Jewels

21j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1970

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