Seiko Cal. 5648 - 317

The Seiko 5648-317 represents an important milestone in Seiko's 1980 lineup. The Bidirectional bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-7ecabf1177da]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

8.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1980

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