Seiko Cal. 5617 - 770

The Seiko 5617-770 represents an important milestone in Seiko's 1981 lineup. The Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-3e918aac0ad1]

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

12.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

200m

Dial Color

Black

Jewels

23j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1981

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