Seiko Cal. 5688 - 557

The Seiko 5688-557 represents an important milestone in Seiko's 1992 lineup. It features a Black dial protected by a Acrylic crystal and offers 100m of water resistance. [seikata-wm-afc69ec08bde]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

12.0mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Black

Jewels

29j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1992

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