Seiko Cal. 5642 - 821

The Seiko 5642-821 represents an important milestone in Seiko's 1970 lineup. It features a White dial protected by a Sapphire crystal and offers 30m of water resistance. [seikata-wm-250d994773a6]

Also known as: Bullhead

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

8.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

30m

Dial Color

White

Jewels

31j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1970

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