Seiko Cal. 5660 - 318

The Seiko 5660-318 represents an important milestone in Seiko's 1983 lineup. The Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-ae4bbb177dc1]

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

15.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

60m

Dial Color

White

Jewels

18j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1983

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