Seiko Cal. 5666 - 698

The 5666-698 is a sought-after Solar piece from Seiko's golden era. The Bidirectional bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-75717edab8ac]

Also known as: Bellmatic

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

35mm

Case Thickness

10.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1970

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