Seiko Cal. 5661 - 321

This Solar model from 1969 features a 39mm Two-Tone case. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 180m of water resistance. [seikata-wm-996c99a09dec]

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

39mm

Case Thickness

15.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1969

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