Seiko Cal. 5648 - 612

The Seiko 5648-612 represents an important milestone in Seiko's 1980 lineup. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 60m of water resistance. [seikata-wm-bd23a52a8d5b]

Also known as: Samurai, World Timer

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

45mm

Case Thickness

10.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1980

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