Seiko Cal. 5678 - 509

This Solar model from 1984 features a 40mm PVD Black case. The Inner Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-37e10fbe73fd]

Also known as: Bellmatic

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

40mm

Case Thickness

8.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Champagne

Jewels

33j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1984

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