Seiko Cal. 5660 - 921

The Seiko 5660-921 represents an important milestone in Seiko's 1993 lineup. The Inner Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-56bc69b5d93d]

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

42mm

Case Thickness

9.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Black

Jewels

22j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1993

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