Seiko Cal. 5660 - 200

The Seiko 5660-200 represents an important milestone in Seiko's 1981 lineup. It features a Black dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-78427037ad51]

Also known as: Monster, Helmet

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

11.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Black

Jewels

34j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1981

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