Seiko Cal. 4520 - 320

This Solar model from 1966 features a 38mm Stainless Steel case. The Bidirectional bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-7622a829f5e4]

Also known as: Bellmatic, Flighty

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

13.3mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Navy

Jewels

32j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1966

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