Seiko Cal. 5643 - 866

The Seiko 5643-866 represents an important milestone in Seiko's 1999 lineup. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 70m of water resistance. [seikata-wm-3ac702a4e8c8]

Also known as: Panda, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

8.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1999

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