Seiko Cal. 5642 - 686

The Seiko 5642-686 represents an important milestone in Seiko's 1973 lineup. It features a Black dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-b5f94af1751b]

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

8.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Black

Jewels

17j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1973

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