Seiko Cal. 6642 - 887

This Hand-Winding model from 1968 features a 44mm Stainless Steel case. The Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-75b5b4c3f23f]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

10.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

70m

Dial Color

Cream

Jewels

27j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1968

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