Seiko Cal. 5660 - 859

The Seiko 5660-859 represents an important milestone in Seiko's 1989 lineup. The Inner Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-686180158997]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

9.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Champagne

Jewels

24j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1989

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