Seiko Cal. 5641 - 559

The Seiko 5641-559 represents an important milestone in Seiko's 1967 lineup. The Bidirectional bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-48100e2fe817]

Also known as: Samurai, Shogun

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

14.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Silver

Jewels

19j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1967

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