Seiko Cal. 5660 - 915

The Seiko 5660-915 represents an important milestone in Seiko's 1980 lineup. The Inner Rotating bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-4717aea4fe21]

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

12.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Black

Jewels

32j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1980

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