Seiko Cal. 7188 - 657

The Seiko 7188-657 represents an important milestone in Seiko's 1983 lineup. It features a Cream dial protected by a Hardlex crystal and offers 70m of water resistance. [seikata-wm-d44592e2018f]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

11.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Cream

Jewels

22j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1983

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