Seiko Cal. 5666 - 187

The Seiko 5666-187 represents an important milestone in Seiko's 1980 lineup. It features a Burgundy dial protected by a Acrylic crystal and offers 180m of water resistance. [seikata-wm-a52535d7ed89]

Also known as: Monster

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

13.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

180m

Dial Color

Burgundy

Jewels

29j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1980

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