Seiko Cal. 5636 - 789

The Seiko 5636-789 represents an important milestone in Seiko's 1969 lineup. The Bidirectional bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-037684e6bf55]

Also known as: Arnie

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

9.8mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Silver

Jewels

35j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1969

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