Seiko Cal. 5641 - 446

Released in 1969, the Cal. 5641 with design code 446 was part of Seiko's domestic market collection. The Fixed bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-2952ceb556df]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

35mm

Case Thickness

12.6mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

80m

Dial Color

Cream

Jewels

22j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1969

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