Seiko Cal. 5655 - 270

Released in 1979, the Cal. 5655 with design code 270 was part of Seiko's domestic market collection. The Bidirectional bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-9fae19dd9942]

Also known as: Helmet, Sportsmatic

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

45mm

Case Thickness

10.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1979

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