Seiko Cal. 5641 - 609

The Seiko 5641-609 represents an important milestone in Seiko's 1982 lineup. The Inner Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-0b31a07a9841]

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

14.3mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Silver

Jewels

26j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1982

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