Seiko Cal. 5617 - 681

The Seiko 5617-681 represents an important milestone in Seiko's 1970 lineup. The Rotating bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-bfd62982fe39]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

46mm

Case Thickness

10.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1970

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