Seiko Cal. 7071 - 509

The Seiko 7071-509 represents an important milestone in Seiko's 1965 lineup. The Inner Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-d3dd3eaac5b8]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

14.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1965

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