Seiko Cal. 4538 - 586

This Spring Drive model from 1971 features a 42mm Two-Tone case. Powered by the 4538 caliber with 21j jewels beating at 21,600 bph, it delivers a 65 hours power reserve. [seikata-wm-39153e3fbbae]

Also known as: Silverwave, Goldfeather

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

42mm

Case Thickness

13.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Silver

Jewels

21j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1971

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