Seiko Cal. 4531 - 221

This Kinetic model from 1975 features a 42mm Gold-Plated case. Powered by the 4531 caliber with 27j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-7af2780e8f6d]

Also known as: Crown, Arnie

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

8.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

30m

Dial Color

Black

Jewels

27j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1975

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