Seiko Cal. 5659 - 851

The Seiko 5659-851 represents an important milestone in Seiko's 1982 lineup. The Bidirectional bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-ebaa7fe6a8c4]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

11.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Cream

Jewels

32j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1982

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