Seiko Cal. 5643 - 887

The Seiko 5643-887 represents an important milestone in Seiko's 1990 lineup. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 150m of water resistance. [seikata-wm-2fcd348a488d]

Also known as: Bullhead

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

39mm

Case Thickness

9.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1990

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