Seiko Cal. 5663 - 906

This Solar model from 1985 features a 46mm Stainless Steel case. The Inner Rotating bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-65565ce5ff59]

Also known as: Tuna, Bellmatic

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

10.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Black

Jewels

24j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1985

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