Seiko Cal. 5691 - 987

The Seiko 5691-987 represents an important milestone in Seiko's 1965 lineup. The Bidirectional bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-fe69eb81b4da]

Also known as: Pogue

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

43mm

Case Thickness

11.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Green

Jewels

29j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1965

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