Seiko Cal. 7128 - 313

Released in 1971, the Cal. 7128 with design code 313 was part of Seiko's domestic market collection. The Inner Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-047043bf08fb]

Also known as: Shogun, UFO

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

15.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1971

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