Seiko Cal. 4427 - 522

This Spring Drive model from 1980 features a 35mm Gold-Plated case. Powered by the 4427 caliber with 23j jewels beating at 21,600 bph, it delivers a 63 hours power reserve. [seikata-wm-5219fdf6d498]

Also known as: Crown

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

9.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Cream

Jewels

23j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1980

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