Seiko Cal. 5651 - 988

The Seiko 5651-988 represents an important milestone in Seiko's 1967 lineup. The Bidirectional bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-fa3b6d846add]

Also known as: World Timer

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

35mm

Case Thickness

13.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Navy

Jewels

30j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1967

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