Seiko Cal. 5676 - 320

The Seiko 5676-320 represents an important milestone in Seiko's 1977 lineup. The Bidirectional bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-10a5ae9a9b48]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

35mm

Case Thickness

14.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1977

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