Seiko Cal. 6691 - 123

Released in 1979, the Cal. 6691 with design code 123 was part of Seiko's domestic market collection. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 30m of water resistance. [seikata-wm-e0694bbc55cb]

Also known as: Bellmatic

Specifications

Movement

Solar

Case Material

Titanium

Case Width

43mm

Case Thickness

11.2mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1979

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