Seiko Cal. 5643 - 424

The Seiko 5643-424 represents an important milestone in Seiko's 1982 lineup. It features a Black dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-abcf38daabc7]

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

8.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Black

Jewels

27j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1982

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