Seiko Cal. 5643 - 727

The Seiko 5643-727 represents an important milestone in Seiko's 1989 lineup. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-5b29026c19c9]

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

8.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1989

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