Seiko Cal. 7121 - 564

The Seiko 7121-564 represents an important milestone in Seiko's 1969 lineup. The Fixed bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-937e9217e8cf]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

9.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1969

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